Vulnerability-Lookup

CNVD-2022-05007

Vulnerability from cnvd - Published: 2022-01-19

Title

GNU patch拒绝服务漏洞

Description

GNU patch是GNU社区的一套用于生成补丁文件的工具。 GNU patch在2.7版本存在拒绝服务漏洞，该漏洞源于Other_hunk函数存在一个无效指针，攻击者可利用此漏洞导致拒绝服务。

Severity

中

Patch Name

GNU patch拒绝服务漏洞的补丁

Patch Description

GNU patch是GNU社区的一套用于生成补丁文件的工具。 GNU patch在2.7版本存在拒绝服务漏洞，该漏洞源于Other_hunk函数存在一个无效指针，攻击者可利用此漏洞导致拒绝服务。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

厂商已发布了漏洞修复程序，请及时关注更新： https://savannah.gnu.org/bugs/?61685

Reference

https://savannah.gnu.org/bugs/?61685

Impacted products

Name
Gnu patch 2.7

Show details on source website

JSON

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  "number": "CNVD-2022-05007",
  "openTime": "2022-01-19",
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  "serverity": "\u4e2d",
  "submitTime": "2021-12-26",
  "title": "GNU patch\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2021-45261 (GCVE-0-2021-45261)

Vulnerability from cvelistv5 – Published: 2021-12-22 17:12 – Updated: 2024-08-04 04:39

Summary

An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://savannah.gnu.org/bugs/?61685	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.

Detection rules are retrieved from Rulezet.

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.