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  5. CVE-2023-45363

CVE-2023-45363: MediaWiki Denial of Service vulnerability

October 9, 2023 (updated October 30, 2024)

An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.

References

  • github.com/advisories/GHSA-w5fx-cx7f-6vr9
  • github.com/wikimedia/mediawiki
  • github.com/wikimedia/mediawiki/commit/24c3ef2474c6daa20ed48168d46196a55346dfd8
  • lists.debian.org/debian-lts-announce/2023/11/msg00027.html
  • nvd.nist.gov/vuln/detail/CVE-2023-45363
  • phabricator.wikimedia.org/T333050
  • www.debian.org/security/2023/dsa-5520

Code Behaviors & Features

Detect and mitigate CVE-2023-45363 with GitLab Dependency Scanning

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Affected versions

All versions before 1.35.12, all versions starting from 1.36.0 before 1.39.5, all versions starting from 1.40.0 before 1.40.1, version 1.40.0

Fixed versions

  • 1.35.12
  • 1.39.5
  • 1.40.1

Solution

Upgrade to versions 1.35.12, 1.39.5, 1.40.1 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Source file

packagist/mediawiki/core/CVE-2023-45363.yml

Spotted a mistake? Edit the file on GitLab.

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