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  5. CVE-2019-12468

CVE-2019-12468: Wikimedia MediaWiki Incorrect Access Control vulnerability

May 24, 2022 (updated May 15, 2024)

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.

References

  • github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12468.yaml
  • github.com/advisories/GHSA-wrhx-3pxr-6vgg
  • github.com/wikimedia/mediawiki
  • lists.wikimedia.org/pipermail/mediawiki-announce
  • lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
  • nvd.nist.gov/vuln/detail/CVE-2019-12468
  • phabricator.wikimedia.org/T197279
  • seclists.org/bugtraq/2019/Jun/12
  • www.debian.org/security/2019/dsa-4460

Code Behaviors & Features

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Affected versions

All versions starting from 1.27.0 before 1.27.6, all versions starting from 1.30.0 before 1.30.2, all versions starting from 1.31.0 before 1.31.2, all versions starting from 1.32.0 before 1.32.2

Fixed versions

  • 1.27.6
  • 1.30.2
  • 1.31.2
  • 1.32.2

Solution

Upgrade to versions 1.27.6, 1.30.2, 1.31.2, 1.32.2 or above.

Impact 9.8 CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-284: Improper Access Control

Source file

packagist/mediawiki/core/CVE-2019-12468.yml

Spotted a mistake? Edit the file on GitLab.

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