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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:215452
[Eng]
Version
1
Class
patch
ALTXid
437907
Language
Russian
Severity
Medium
Title
MGASA-2023-0181 -- обновление безопасности для cmark
Description
cmark incorrectly handled certain inputs. Fixes quadratic complexity in
handle_close_bracket "![[]()" which may lead to a denial of service(CVE-2023-22486).
Noting that this also fixes a quadratic parsing issue with repeated comment
tags that was not in a released product but which was assigned a CVE(CVE-2023-22484).
Family
unix
Platform
Mageia 8
Product
cmark
Reference
VENDOR: MGASA-2023-0181
VENDOR: MGASA-2023-0181
Id:
MGASA-2023-0181
Reference:
https://advisories.mageia.org/MGASA-2023-0181.html
CVE: CVE-2023-22484
CVE: CVE-2023-22484
Id:
CVE-2023-22484
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22484
Comment
: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 are subject to a polynomial time complexity issue in cmark-gfm that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7.
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
407 (Algorithmic Complexity)
References:
https://github.com/github/cmark-gfm/security/advisories/GHSA-24f7-9frr-5h2r (MISC)
CVE: CVE-2023-22486
CVE: CVE-2023-22486
Id:
CVE-2023-22486
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22486
Comment
: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handle_close_bracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7.
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
407 (Algorithmic Complexity)
References:
https://github.com/github/cmark-gfm/security/advisories/GHSA-r572-jvj2-3m8p (MISC)
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