Vulnerability-Lookup

CNVD-2021-100615

Vulnerability from cnvd - Published: 2021-12-17

Title

GNU Hurd存在未明漏洞（CNVD-2021-100615）

Description

Gnu Hurd是一个Gnu项目对Unix内核的替代品。用于实现文件系统、网络协议、文件访问控制以及其他由Unix内核或类似内核（如 Linux）实现的功能。 GNU Hurd存在安全漏洞，攻击者可利用该漏洞来获得完全的根访问权限。

Severity

高

Patch Name

GNU Hurd存在未明漏洞（CNVD-2021-100615）的补丁

Patch Description

Gnu Hurd是一个Gnu项目对Unix内核的替代品。用于实现文件系统、网络协议、文件访问控制以及其他由Unix内核或类似内核（如 Linux）实现的功能。 GNU Hurd存在安全漏洞，攻击者可利用该漏洞来获得完全的根访问权限。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-43412

Impacted products

Name
Gnu Hurd <0.9 20210404-9

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-43412"
    }
  },
  "description": "Gnu Hurd\u662f\u4e00\u4e2aGnu\u9879\u76ee\u5bf9Unix\u5185\u6838\u7684\u66ff\u4ee3\u54c1\u3002\u7528\u4e8e\u5b9e\u73b0\u6587\u4ef6\u7cfb\u7edf\u3001\u7f51\u7edc\u534f\u8bae\u3001\u6587\u4ef6\u8bbf\u95ee\u63a7\u5236\u4ee5\u53ca\u5176\u4ed6\u7531Unix\u5185\u6838\u6216\u7c7b\u4f3c\u5185\u6838\uff08\u5982 Linux\uff09\u5b9e\u73b0\u7684\u529f\u80fd\u3002\n\nGNU Hurd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6765\u83b7\u5f97\u5b8c\u5168\u7684\u6839\u8bbf\u95ee\u6743\u9650\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-100615",
  "openTime": "2021-12-17",
  "patchDescription": "Gnu Hurd\u662f\u4e00\u4e2aGnu\u9879\u76ee\u5bf9Unix\u5185\u6838\u7684\u66ff\u4ee3\u54c1\u3002\u7528\u4e8e\u5b9e\u73b0\u6587\u4ef6\u7cfb\u7edf\u3001\u7f51\u7edc\u534f\u8bae\u3001\u6587\u4ef6\u8bbf\u95ee\u63a7\u5236\u4ee5\u53ca\u5176\u4ed6\u7531Unix\u5185\u6838\u6216\u7c7b\u4f3c\u5185\u6838\uff08\u5982 Linux\uff09\u5b9e\u73b0\u7684\u529f\u80fd\u3002\r\n\r\nGNU Hurd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6765\u83b7\u5f97\u5b8c\u5168\u7684\u6839\u8bbf\u95ee\u6743\u9650\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "GNU Hurd\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-100615\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Gnu Hurd \u003c0.9 20210404-9"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-43412",
  "serverity": "\u9ad8",
  "submitTime": "2021-11-09",
  "title": "GNU Hurd\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-100615\uff09"
}

CVE-2021-43412 (GCVE-0-2021-43412)

Vulnerability from cvelistv5 – Published: 2021-11-07 17:07 – Updated: 2024-08-04 03:55

Summary

An issue was discovered in GNU Hurd before 0.9 20210404-9. libports accepts fake notification messages from any client on any port, which can lead to port use-after-free. This can be exploited for local privilege escalation to get full root access.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

2 references

URL	Tags
https://lists.gnu.org/archive/html/bug-hurd/2021-…	x_refsource_MISC
https://www.mail-archive.com/bug-hurd%40gnu.org/m…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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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.

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CNVD-2021-100615

CVE-2021-43412 (GCVE-0-2021-43412)

Tags

Sightings

Nomenclature

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