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ALSA-2020:4641 — Moderate: python38:3.8 security, bug fix, and enhancement update

Affected: AlmaLinux:8: python38-Cython, AlmaLinux:8: python38-asn1crypto, AlmaLinux:8: python38-cffi, AlmaLinux:8: python38-chardet, AlmaLinux:8: python38-cryptography, AlmaLinux:8: python38-idna, AlmaLinux:8: python38-markupsafe, AlmaLinux:8: python38-mod_wsgi, AlmaLinux:8: python38-psycopg2, AlmaLinux:8: python38-psycopg2-doc and 6 more

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

The following packages have been upgraded to a later upstream version: python38 (3.8.3). (BZ#1847416)

Security Fix(es):

* PyYAML: command execution through python/object/apply constructor in FullLoader (CVE-2019-20477)

* python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907)

* PyYAML: arbitrary command execution through python/object/new when FullLoader is used (CVE-2020-1747)

* python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS (CVE-2020-8492)

* python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

bdu:2021-00726

Withdrawn: BELL-CVE-2019-20907 — CVE-2019-20907 does not affect BellSoft software

Withdrawn by the publisher.

certfr-2021-avi-589 — De multiples vulnérabilités ont été découvertes dans Juniper Junos Space Log Collector. Certaines d'entre elles permett…

certfr-2021-avi-589

Withdrawn: CLEANSTART-2026-BM51903 — Security fixes for CVE-2015-20107, CVE-2015-2104, CVE-2019-16056, CVE-2019-16935, CVE-2019-20907, CVE-2019-5010, CVE-20…

Withdrawn by the publisher.

Affected: CleanStart: python3

Multiple security vulnerabilities affect the python3 package. These issues are resolved in later releases. See references for individual vulnerability details.

cnvd-2020-41756

EUVD-2026-60323

fkie_cve-2019-20907

In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.

GHSA-xc97-8p9q-cf27

In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.

gsd-2019-20907

ICSA-23-348-10 — Siemens SIMATIC S7-1500

expat 2.1.0 and earlier does not properly handle entities expansion unless an application developer uses the XML_SetEntityDeclHandler function, which allows remote attackers to cause a denial of service (resource consumption), send HTTP requests to intranet servers, or read arbitrary files via a crafted XML document, aka an XML External Entity (XXE) issue. NOTE: it could be argued that because expat already provides the ability to disable external entity expansion, the responsibility for resolving this issue lies with application developers; according to this argument, this entry should be REJECTed, and each affected application would need its own CVE. shadow: TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees run-mailcap in the Debian mime-support package before 3.52-1+deb7u1 allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a filename. In Python (aka CPython) up to 3.10.8, the mailcap module does not add escape characters into commands discovered in the system mailcap file. This may allow attackers to inject shell commands into applications that call mailcap.findmatch with untrusted input (if they lack validation of user-provided filenames or arguments). The fix is also back-ported to 3.7, 3.8, 3.9 Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a denial of service (crash) via a crafted bzip2 file, related to block ends set to before the start o…

msrc_CVE-2019-20907 — In Lib/tarfile.py in Python through 3.8.3 an attacker is able to craft a TAR archive leading to an infinite loop when o…

msrc_CVE-2019-20907

openSUSE-SU-2020:1254-1 — Security update for python

Security update for python

RHSA-2020:4273 — Red Hat Security Advisory: python27 security, bug fix, and enhancement update

python: CRLF injection via the host part of the url passed to urlopen() python: infinite loop in the tarfile module via crafted TAR archive python-pip: directory traversal in _download_http_url() function in src/pip/_internal/download.py python: CRLF injection via HTTP request method in httplib/http.client

SUSE-SU-2020:2216-1 — Security update for python36

Security update for python36

UBUNTU-CVE-2019-20907

Affected: Ubuntu:Pro:14.04:LTS: python2.7, Ubuntu:Pro:14.04:LTS: python3.4, Ubuntu:Pro:14.04:LTS: python3.5, Ubuntu:16.04:LTS: python2.7, Ubuntu:16.04:LTS: python3.5, Ubuntu:18.04:LTS: python2.7, Ubuntu:18.04:LTS: python3.6, Ubuntu:Pro:18.04:LTS: python3.7, Ubuntu:Pro:18.04:LTS: python3.8, Ubuntu:20.04:LTS: python2.7 and 1 more

In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.

VDE-2022-010 — PHOENIX CONTACT: Multiple Linux component vulnerabilities fixed in latest AXC F x152 LTS release

PLCnext Control AXC F x152 is certified according to IEC 62443-4-1 and IEC 62443-4-2. This certification requires that all third-party components used in the firmware are regularly checked for known vulnerabilities.

Firmware components in version 2021.06 had already been updated. For the 2022.0 LTS version more firmware components have been updated implicitly fixing the vulnerabilities listed. The vulnerabilities listed above have not been individually verified in terms of actual impact and/or limitations in combination with the affected products listed. The current LTS release 2022.0 LTS contains updates of integrated third-party libraries, SDKs and other third-party software to address these issues nevertheless.

UPDATE A (April 4th, 2022): Added RFC 4072 (Art. No. 1051328) and fixed affected version of AXC F 3152

WID-SEC-W-2023-1298 — Python: Schwachstelle ermöglicht Denial of Service

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Python ausnutzen, um einen Denial of Service Angriff durchzuführen.