Vulnerability-Lookup

BDU:2021-00364 (CVE-2021-3156)

Vulnerability from fstec – Published: 2021-01-28 – Updated: 2026-09-01 – View on bdu.fstec.ru Exploit publicly available Yes Fixed

Title

Уязвимость функции parse_args() программы системного администрирования Sudo, позволяющая нарушителю повысить свои привилегии до уровня root

Summary

Уязвимость функции parse_args() программы системного администрирования Sudo связана с переполнением буфера в динамической памяти. Эксплуатация уязвимости может позволить нарушителю повысить свои привилегии до уровня root

Severity

7.2 (High) CVSS 2.0


                      
                        AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 (High) CVSS 3.1


                      
                        CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Yes

Remediation

Software update

CWE

CWE-122 - Переполнение буфера в динамической памяти
CWE-193 - Ошибка единичного смещения

Aliases

CVE-2021-3156

References

32 references

URL
http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Esca…
http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privil…
http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overfl…
http://seclists.org/fulldisclosure/2021/Jan/79
http://www.openwall.com/lists/oss-security/2021/01/26/3
http://www.openwall.com/lists/oss-security/2021/02/15/1
https://access.redhat.com/security/cve/cve-2021-3156
https://bugzilla.redhat.com/show_bug.cgi?id=1917684
https://itnan.ru/post.php?c=1&p=539526
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
https://nvd.nist.gov/vuln/detail/CVE-2021-3156
https://redos.red-soft.ru/updatesec/
https://security.ublinux.ru/ASA-202101-25/generate
https://security-tracker.debian.org/tracker/CVE-2021-3156
https://ubuntu.com/security/notices/USN-4705-1
https://ubuntu.com/security/notices/USN-4705-2
https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210128SE16MD
https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210611SE16
https://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-f…
https://www.debian.org/security/2021/dsa-4839
https://www.opennet.ru/opennews/art.shtml?num=54474
https://www.openwall.com/lists/oss-security/2021/01/26/3
https://www.sudo.ws/stable.html#1.9.5p2
https://wiki.astralinux.ru/astra-linux-se81-bulletin-20211019SE81
https://поддержка.нппкт.рф/bin/view/ОСнова/Обновления/2.1/
https://strelets.net/patchi-i-obnovleniya-bezopasnosti#16012023
https://altsp.su/obnovleniya-bezopasnosti/
https://www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv
https://abf.rosa.ru/advisories/ROSA-SA-2025-2719
https://goslinux.fssp.gov.ru/update-security/62ff9f7a-d1db-4e5f-b27f-744d3f9cab4f
https://redos.red-soft.ru/support/secure/

Impacted products

16 products from 14 vendors

Vendors

Canonical Ltd., Red Hat, Inc., ООО «РусБИТех-Астра», Сообщество свободного программного обеспечения, ООО «Ред Софт», Fedora Project, Todd C. Miller, ООО «Юбитех», АО «ИВК», АО «НППКТ», АО «Концерн ВНИИНС», АО «НТЦ ИТ РОСА», ФССП России

Products

Ubuntu, Red Hat Enterprise Linux, Astra Linux Special Edition (запись в едином реестре российских программ №369), Red Hat Virtualization, Astra Linux Common Edition (запись в едином реестре российских программ №4433), Debian GNU/Linux, РЕД ОС (запись в едином реестре российских программ №3751), Astra Linux Special Edition для «Эльбрус» (запись в едином реестре российских программ №11156), Fedora, Sudo, UBLinux (запись в едином реестре российских программ №6874), Альт 8 СП (запись в едином реестре российских программ №4305), ОСОН ОСнова Оnyx (запись в едином реестре российских программ №5913), ОС ОН «Стрелец» (запись в едином реестре российских программ №6177), ROSA Virtualization 3.0 (запись в едином реестре российских программ №21308), ОС ТД АИС ФССП России

Versions

12.04 (Ubuntu), 7 (Red Hat Enterprise Linux), 16.04 LTS (Ubuntu), 1.5 «Смоленск» (Astra Linux Special Edition), 18.04 LTS (Ubuntu), 1.6 «Смоленск» (Astra Linux Special Edition), 4 (Red Hat Virtualization), 2.12 «Орёл» (Astra Linux Common Edition), 8 (Red Hat Enterprise Linux), 14.04 ESM (Ubuntu), 10 (Debian GNU/Linux), 7.2 Муром (РЕД ОС), 7.6 Extended Update Support (Red Hat Enterprise Linux), 7.2 Advanced Update Support (Red Hat Enterprise Linux), 8.1 «Ленинград» (Astra Linux Special Edition для «Эльбрус»), 7.4 US for SAP Solutions (Red Hat Enterprise Linux), 7.3 Advanced Update Support (Red Hat Enterprise Linux), 32 (Fedora), 7.4 Telco Extended Update Support (Red Hat Enterprise Linux), 7.4 Advanced Update Support (Red Hat Enterprise Linux), 20.04 LTS (Ubuntu), 20.10 (Ubuntu), 8.1 Extended Update Support (Red Hat Enterprise Linux), 7.7 Extended Update Support (Red Hat Enterprise Linux), 33 (Fedora), 8.2 Extended Update Support (Red Hat Enterprise Linux), 6 Extended Lifecycle Support (Red Hat Enterprise Linux), до 1.9.5p2 (Sudo), 21.1 (UBLinux), 2102 (UBLinux), 7.3 (РЕД ОС), - (Альт 8 СП), до 2.1 (ОСОН ОСнова Оnyx), до 16.01.2023 (ОС ОН «Стрелец»), 3.0 (ROSA Virtualization 3.0), - (ОС ТД АИС ФССП России)

Product types

Operating system, Virtualization software, Application software

Platforms

Canonical Ltd. Ubuntu 12.04 32-bit, Red Hat, Inc. Red Hat Enterprise Linux 7 IA-32, Canonical Ltd. Ubuntu 16.04 LTS 32-bit, ООО «РусБИТех-Астра» Astra Linux Special Edition 1.5 «Смоленск» 64-bit (запись в едином реестре российских программ №369), ООО «РусБИТех-Астра» Astra Linux Special Edition 1.5 «Смоленск» (запись в едином реестре российских программ №369), Inc. Red Hat Enterprise Linux 7, Canonical Ltd. Ubuntu 16.04 LTS, Canonical Ltd. Ubuntu 12.04, Canonical Ltd. Ubuntu 18.04 LTS, ООО «РусБИТех-Астра» Astra Linux Special Edition 1.6 «Смоленск» (запись в едином реестре российских программ №369), ООО «РусБИТех-Астра» Astra Linux Common Edition 2.12 «Орёл» (запись в едином реестре российских программ №4433), Inc. Red Hat Enterprise Linux 8, Canonical Ltd. Ubuntu 14.04 ESM, Сообщество свободного программного обеспечения Debian GNU/Linux 10, ООО «Ред Софт» РЕД ОС 7.2 Муром (запись в едином реестре российских программ №3751), Inc. Red Hat Enterprise Linux 7.6 Extended Update Support, Inc. Red Hat Enterprise Linux 7.2 Advanced Update Support, ООО «РусБИТех-Астра» Astra Linux Special Edition для «Эльбрус» 8.1 «Ленинград» (запись в едином реестре российских программ №11156), Inc. Red Hat Enterprise Linux 7.4 US for SAP Solutions, Inc. Red Hat Enterprise Linux 7.3 Advanced Update Support, Fedora Project Fedora 32, Inc. Red Hat Enterprise Linux 7.4 Telco Extended Update Support, Inc. Red Hat Enterprise Linux 7.4 Advanced Update Support, Canonical Ltd. Ubuntu 20.04 LTS, Canonical Ltd. Ubuntu 20.10, Inc. Red Hat Enterprise Linux 8.1 Extended Update Support, Inc. Red Hat Enterprise Linux 7.7 Extended Update Support, Fedora Project Fedora 33, Inc. Red Hat Enterprise Linux 8.2 Extended Update Support, Inc. Red Hat Enterprise Linux 6 Extended Lifecycle Support, ООО «Юбитех» UBLinux 21.1 (запись в едином реестре российских программ №6874), ООО «Юбитех» UBLinux 2102 (запись в едином реестре российских программ №6874), ООО «Ред Софт» РЕД ОС 7.3 (запись в едином реестре российских программ №3751), АО «ИВК» Альт 8 СП - (запись в едином реестре российских программ №4305), АО «НППКТ» ОСОН ОСнова Оnyx до 2.1 (запись в едином реестре российских программ №5913), АО «Концерн ВНИИНС» ОС ОН «Стрелец» до 16.01.2023 (запись в едином реестре российских программ №6177), АО «НТЦ ИТ РОСА» ROSA Virtualization 3.0 3.0 (запись в едином реестре российских программ №21308)

Mitigations

Использование рекомендаций: Для Sudo: https://www.sudo.ws/stable.html#1.9.5p2 Для Ubuntu: https://ubuntu.com/security/notices/USN-4705-1 https://ubuntu.com/security/notices/USN-4705-2 Для программных продуктов Red Hat Inc.: https://access.redhat.com/security/cve/cve-2021-3156 https://bugzilla.redhat.com/show_bug.cgi?id=1917684 Для Debian GNU/Linux: https://www.debian.org/security/2021/dsa-4839 Для Fedora: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ Для Ред ОС: https://redos.red-soft.ru/updatesec/ Для UBLinux: https://security.ublinux.ru/ASA-202101-25/generate Для Astra Linux: Обновление программного обеспечения (пакета sudo) до 1.8.19p1-2.1+deb9u3 или более поздней версии Или использование рекомендаций производителя: https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210730SE16 https://wiki.astralinux.ru/astra-linux-se81-bulletin-20211019SE81 Для ОС ОН «Стрелец»: Обновление программного обеспечения sudo до версии 1.8.27-1+deb10u3.strelets2 Для ОС Альт 8 СП: установка обновления из публичного репозитория программного средства Для программной системы управления средой виртуализации с подсистемой безагентного резервного копирования виртуальных машин «ROSA Virtualization 3.0»: https://abf.rosa.ru/advisories/ROSA-SA-2025-2719 Для ОС ТД АИС ФССП России: https://goslinux.fssp.gov.ru/update-security/62ff9f7a-d1db-4e5f-b27f-744d3f9cab4f Для Ред ОС: http://repo.red-soft.ru/redos/7.3c/x86_64/updates/

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
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  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Canonical Ltd., Red Hat, Inc., \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb, \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f, \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb, Fedora Project, Todd C. Miller, \u041e\u041e\u041e \u00ab\u042e\u0431\u0438\u0442\u0435\u0445\u00bb, \u0410\u041e \u00ab\u0418\u0412\u041a\u00bb, \u0410\u041e \u00ab\u041d\u041f\u041f\u041a\u0422\u00bb, \u0410\u041e \u00ab\u041a\u043e\u043d\u0446\u0435\u0440\u043d \u0412\u041d\u0418\u0418\u041d\u0421\u00bb, \u0410\u041e \u00ab\u041d\u0422\u0426 \u0418\u0422 \u0420\u041e\u0421\u0410\u00bb, \u0424\u0421\u0421\u041f \u0420\u043e\u0441\u0441\u0438\u0438",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "12.04 (Ubuntu), 7 (Red Hat Enterprise Linux), 16.04 LTS (Ubuntu), 1.5 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\u00bb (Astra Linux Special Edition), 18.04 LTS (Ubuntu), 1.6 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\u00bb (Astra Linux Special Edition), 4 (Red Hat Virtualization), 2.12 \u00ab\u041e\u0440\u0451\u043b\u00bb (Astra Linux Common Edition), 8 (Red Hat Enterprise Linux), 14.04 ESM (Ubuntu), 10 (Debian GNU/Linux), 7.2 \u041c\u0443\u0440\u043e\u043c (\u0420\u0415\u0414 \u041e\u0421), 7.6 Extended Update Support (Red Hat Enterprise Linux), 7.2 Advanced Update Support (Red Hat Enterprise Linux), 8.1 \u00ab\u041b\u0435\u043d\u0438\u043d\u0433\u0440\u0430\u0434\u00bb (Astra Linux Special Edition \u0434\u043b\u044f \u00ab\u042d\u043b\u044c\u0431\u0440\u0443\u0441\u00bb), 7.4 US for SAP Solutions (Red Hat Enterprise Linux), 7.3 Advanced Update Support (Red Hat Enterprise Linux), 32 (Fedora), 7.4 Telco Extended Update Support (Red Hat Enterprise Linux), 7.4 Advanced Update Support (Red Hat Enterprise Linux), 20.04 LTS (Ubuntu), 20.10 (Ubuntu), 8.1 Extended Update Support (Red Hat Enterprise Linux), 7.7 Extended Update Support (Red Hat Enterprise Linux), 33 (Fedora), 8.2 Extended Update Support (Red Hat Enterprise Linux), 6 Extended Lifecycle Support (Red Hat Enterprise Linux), \u0434\u043e 1.9.5p2 (Sudo), 21.1 (UBLinux), 2102 (UBLinux), 7.3 (\u0420\u0415\u0414 \u041e\u0421), - (\u0410\u043b\u044c\u0442 8 \u0421\u041f), \u0434\u043e 2.1 (\u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx), \u0434\u043e 16.01.2023 (\u041e\u0421 \u041e\u041d \u00ab\u0421\u0442\u0440\u0435\u043b\u0435\u0446\u00bb), 3.0 (ROSA Virtualization 3.0), - (\u041e\u0421 \u0422\u0414 \u0410\u0418\u0421 \u0424\u0421\u0421\u041f \u0420\u043e\u0441\u0441\u0438\u0438)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\n\u0414\u043b\u044f Sudo:\nhttps://www.sudo.ws/stable.html#1.9.5p2\n\n\u0414\u043b\u044f Ubuntu:\nhttps://ubuntu.com/security/notices/USN-4705-1\nhttps://ubuntu.com/security/notices/USN-4705-2\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Red Hat Inc.:\nhttps://access.redhat.com/security/cve/cve-2021-3156\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1917684\n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://www.debian.org/security/2021/dsa-4839\n\n\u0414\u043b\u044f Fedora:\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/\n\n\u0414\u043b\u044f \u0420\u0435\u0434 \u041e\u0421:\nhttps://redos.red-soft.ru/updatesec/\n\n\u0414\u043b\u044f UBLinux:\nhttps://security.ublinux.ru/ASA-202101-25/generate\n\n\u0414\u043b\u044f Astra Linux:\n\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f (\u043f\u0430\u043a\u0435\u0442\u0430 sudo) \u0434\u043e 1.8.19p1-2.1+deb9u3 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u0437\u0434\u043d\u0435\u0439 \u0432\u0435\u0440\u0441\u0438\u0438\n\u0418\u043b\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://wiki.astralinux.ru/astra-linux-se16-bulletin-20210730SE16\nhttps://wiki.astralinux.ru/astra-linux-se81-bulletin-20211019SE81\n\n\u0414\u043b\u044f \u041e\u0421 \u041e\u041d \u00ab\u0421\u0442\u0440\u0435\u043b\u0435\u0446\u00bb:\n\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f sudo \u0434\u043e \u0432\u0435\u0440\u0441\u0438\u0438 1.8.27-1+deb10u3.strelets2\n\n\u0414\u043b\u044f \u041e\u0421 \u0410\u043b\u044c\u0442 8 \u0421\u041f: \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0437 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e\u0433\u043e \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0440\u0435\u0434\u043e\u0439 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u043e\u0439 \u0431\u0435\u0437\u0430\u0433\u0435\u043d\u0442\u043d\u043e\u0433\u043e \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0433\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d \u00abROSA Virtualization 3.0\u00bb: https://abf.rosa.ru/advisories/ROSA-SA-2025-2719\n\n\u0414\u043b\u044f \u041e\u0421 \u0422\u0414 \u0410\u0418\u0421 \u0424\u0421\u0421\u041f \u0420\u043e\u0441\u0441\u0438\u0438:\nhttps://goslinux.fssp.gov.ru/update-security/62ff9f7a-d1db-4e5f-b27f-744d3f9cab4f\n\n\u0414\u043b\u044f \u0420\u0435\u0434 \u041e\u0421: http://repo.red-soft.ru/redos/7.3c/x86_64/updates/",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "26.01.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "01.09.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "28.01.2021",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2021-00364",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2021-3156",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Ubuntu, Red Hat Enterprise Linux, Astra Linux Special Edition (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u2116369), Red Hat Virtualization, Astra Linux Common Edition (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21164433), Debian GNU/Linux, \u0420\u0415\u0414 \u041e\u0421 (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), Astra Linux Special Edition \u0434\u043b\u044f \u00ab\u042d\u043b\u044c\u0431\u0440\u0443\u0441\u00bb (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u211611156), Fedora, Sudo, UBLinux (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21166874), \u0410\u043b\u044c\u0442 8 \u0421\u041f (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21164305), \u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21165913), \u041e\u0421 \u041e\u041d \u00ab\u0421\u0442\u0440\u0435\u043b\u0435\u0446\u00bb (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21166177), ROSA Virtualization 3.0 (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u211621308), \u041e\u0421 \u0422\u0414 \u0410\u0418\u0421 \u0424\u0421\u0421\u041f \u0420\u043e\u0441\u0441\u0438\u0438",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Canonical Ltd. Ubuntu 12.04 32-bit, Red Hat, Inc. Red Hat Enterprise Linux 7 IA-32, Canonical Ltd. Ubuntu 16.04 LTS 32-bit, \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition 1.5 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\u00bb 64-bit (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u2116369), \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition 1.5 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\u00bb  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u2116369), Red Hat, Inc. Red Hat Enterprise Linux 7 , Canonical Ltd. Ubuntu 16.04 LTS , Canonical Ltd. Ubuntu 12.04 , Canonical Ltd. Ubuntu 18.04 LTS , \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition 1.6 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\u00bb  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u2116369), \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Common Edition 2.12 \u00ab\u041e\u0440\u0451\u043b\u00bb  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21164433), Red Hat, Inc. Red Hat Enterprise Linux 8 , Canonical Ltd. Ubuntu 14.04 ESM , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 10 , \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb \u0420\u0415\u0414 \u041e\u0421 7.2 \u041c\u0443\u0440\u043e\u043c  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), Red Hat, Inc. Red Hat Enterprise Linux 7.6 Extended Update Support , Red Hat, Inc. Red Hat Enterprise Linux 7.2 Advanced Update Support , \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition \u0434\u043b\u044f \u00ab\u042d\u043b\u044c\u0431\u0440\u0443\u0441\u00bb 8.1 \u00ab\u041b\u0435\u043d\u0438\u043d\u0433\u0440\u0430\u0434\u00bb  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u211611156), Red Hat, Inc. Red Hat Enterprise Linux 7.4 US for SAP Solutions , Red Hat, Inc. Red Hat Enterprise Linux 7.3 Advanced Update Support , Fedora Project Fedora 32 , Red Hat, Inc. Red Hat Enterprise Linux 7.4 Telco Extended Update Support , Red Hat, Inc. Red Hat Enterprise Linux 7.4 Advanced Update Support , Canonical Ltd. Ubuntu 20.04 LTS , Canonical Ltd. Ubuntu 20.10 , Red Hat, Inc. Red Hat Enterprise Linux 8.1 Extended Update Support , Red Hat, Inc. Red Hat Enterprise Linux 7.7 Extended Update Support , Fedora Project Fedora 33 , Red Hat, Inc. Red Hat Enterprise Linux 8.2 Extended Update Support , Red Hat, Inc. Red Hat Enterprise Linux 6 Extended Lifecycle Support , \u041e\u041e\u041e \u00ab\u042e\u0431\u0438\u0442\u0435\u0445\u00bb UBLinux 21.1  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21166874), \u041e\u041e\u041e \u00ab\u042e\u0431\u0438\u0442\u0435\u0445\u00bb UBLinux 2102  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21166874), \u041e\u041e\u041e \u00ab\u0420\u0435\u0434 \u0421\u043e\u0444\u0442\u00bb \u0420\u0415\u0414 \u041e\u0421 7.3  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21163751), \u0410\u041e \u00ab\u0418\u0412\u041a\u00bb \u0410\u043b\u044c\u0442 8 \u0421\u041f -  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21164305), \u0410\u041e \u00ab\u041d\u041f\u041f\u041a\u0422\u00bb \u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx \u0434\u043e 2.1  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21165913), \u0410\u041e \u00ab\u041a\u043e\u043d\u0446\u0435\u0440\u043d \u0412\u041d\u0418\u0418\u041d\u0421\u00bb \u041e\u0421 \u041e\u041d \u00ab\u0421\u0442\u0440\u0435\u043b\u0435\u0446\u00bb \u0434\u043e 16.01.2023  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21166177), \u0410\u041e \u00ab\u041d\u0422\u0426 \u0418\u0422 \u0420\u041e\u0421\u0410\u00bb ROSA Virtualization 3.0 3.0  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u211621308)",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 parse_args() \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0433\u043e \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Sudo, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0434\u043e \u0443\u0440\u043e\u0432\u043d\u044f root",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0435",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 (CWE-122), \u041e\u0448\u0438\u0431\u043a\u0430 \u0435\u0434\u0438\u043d\u0438\u0447\u043d\u043e\u0433\u043e \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u044f (CWE-193)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 parse_args() \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0433\u043e \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Sudo \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0434\u043e \u0443\u0440\u043e\u0432\u043d\u044f root",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.html\nhttp://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.html\nhttp://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.html\nhttp://seclists.org/fulldisclosure/2021/Jan/79\nhttp://www.openwall.com/lists/oss-security/2021/01/26/3\nhttp://www.openwall.com/lists/oss-security/2021/02/15/1\nhttps://access.redhat.com/security/cve/cve-2021-3156\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1917684\nhttps://itnan.ru/post.php?c=1\u0026p=539526\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3156\nhttps://redos.red-soft.ru/updatesec/\nhttps://security.ublinux.ru/ASA-202101-25/generate\nhttps://security-tracker.debian.org/tracker/CVE-2021-3156\nhttps://ubuntu.com/security/notices/USN-4705-1\nhttps://ubuntu.com/security/notices/USN-4705-2\nhttps://wiki.astralinux.ru/astra-linux-se16-bulletin-20210128SE16MD\nhttps://wiki.astralinux.ru/astra-linux-se16-bulletin-20210611SE16\nhttps://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-for-unix-linux-pmul-basic-and-privilege-management-for-mac-pmm-affected-by-sudo-vulnerability\nhttps://www.debian.org/security/2021/dsa-4839\nhttps://www.opennet.ru/opennews/art.shtml?num=54474\nhttps://www.openwall.com/lists/oss-security/2021/01/26/3\nhttps://www.sudo.ws/stable.html#1.9.5p2\nhttps://wiki.astralinux.ru/astra-linux-se81-bulletin-20211019SE81\nhttps://\u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430.\u043d\u043f\u043f\u043a\u0442.\u0440\u0444/bin/view/\u041e\u0421\u043d\u043e\u0432\u0430/\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f/2.1/\nhttps://strelets.net/patchi-i-obnovleniya-bezopasnosti#16012023\nhttps://altsp.su/obnovleniya-bezopasnosti/\nhttps://www.cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv\nhttps://abf.rosa.ru/advisories/ROSA-SA-2025-2719\nhttps://goslinux.fssp.gov.ru/update-security/62ff9f7a-d1db-4e5f-b27f-744d3f9cab4f\nhttps://redos.red-soft.ru/support/secure/",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u041e \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438/\u041f\u041e \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e-\u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-122, CWE-193",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,2)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)"
}

CVE-2021-3156 (GCVE-0-2021-3156)

Vulnerability from cvelistv5 – Published: 2021-01-26 00:00 – Updated: 2025-10-21 23:35

Summary

Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-03 15:43 UTC

CWE

n/a
CWE-193 - Off-by-one Error

Assigner

mitre mitre root Scorecard

References

35 references

URL	Tags
https://lists.debian.org/debian-lts-announce/2021…	mailing-list
http://seclists.org/fulldisclosure/2021/Jan/79	mailing-list
http://www.openwall.com/lists/oss-security/2021/01/26/3	mailing-list
https://security.gentoo.org/glsa/202101-33	vendor-advisory
https://www.debian.org/security/2021/dsa-4839	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
http://www.openwall.com/lists/oss-security/2021/01/27/1	mailing-list
http://www.openwall.com/lists/oss-security/2021/01/27/2	mailing-list
https://tools.cisco.com/security/center/content/C…	vendor-advisory
https://www.kb.cert.org/vuls/id/794544	third-party-advisory
http://seclists.org/fulldisclosure/2021/Feb/42	mailing-list
http://www.openwall.com/lists/oss-security/2021/02/15/1	mailing-list
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.sudo.ws/stable.html#1.9.5p2
https://www.openwall.com/lists/oss-security/2021/…
http://packetstormsecurity.com/files/161160/Sudo-…
https://security.netapp.com/advisory/ntap-2021012…
https://security.netapp.com/advisory/ntap-2021012…
http://packetstormsecurity.com/files/161230/Sudo-…
http://packetstormsecurity.com/files/161270/Sudo-…
http://packetstormsecurity.com/files/161293/Sudo-…
https://support.apple.com/kb/HT212177
https://kc.mcafee.com/corporate/index?page=conten…
https://www.beyondtrust.com/blog/entry/security-a…
https://www.synology.com/security/advisory/Synolo…
http://www.openwall.com/lists/oss-security/2021/09/14/2	mailing-list
https://www.oracle.com/security-alerts/cpuoct2021.html
https://www.oracle.com/security-alerts/cpuapr2022.html
http://www.openwall.com/lists/oss-security/2024/01/30/8	mailing-list
http://www.openwall.com/lists/oss-security/2024/01/30/6	mailing-list
http://packetstormsecurity.com/files/176932/glibc…
http://seclists.org/fulldisclosure/2024/Feb/3	mailing-list
https://www.vicarius.io/vsociety/posts/sudoedit-p…
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

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        },
        {
          "url": "https://www.synology.com/security/advisory/Synology_SA_21_02"
        },
        {
          "name": "[oss-security] 20210914 Re: Oracle Solaris membership in the distros list",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/09/14/2"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
          "name": "[oss-security] 20240130 Re: CVE-2023-6246: Heap-based buffer overflow in the glibc\u0027s syslog()",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2024/01/30/8"
        },
        {
          "name": "[oss-security] 20240130 CVE-2023-6246: Heap-based buffer overflow in the glibc\u0027s syslog()",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2024/01/30/6"
        },
        {
          "url": "http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html"
        },
        {
          "name": "20240204 CVE-2023-6246: Heap-based buffer overflow in the glibc\u0027s syslog()",
          "tags": [
            "mailing-list"
          ],
          "url": "http://seclists.org/fulldisclosure/2024/Feb/3"
        },
        {
          "url": "https://www.vicarius.io/vsociety/posts/sudoedit-pwned-cve-2021-3156"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-3156",
    "datePublished": "2021-01-26T00:00:00.000Z",
    "dateReserved": "2021-01-15T00:00:00.000Z",
    "dateUpdated": "2025-10-21T23:35:29.600Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

BDU:2021-00364 (CVE-2021-3156)

CVE-2021-3156 (GCVE-0-2021-3156)

Tags

Sightings

Nomenclature

Related by attack behaviour