Description
The ApiBase::getWatchlistUser function in MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2 does not perform token comparison in constant time, which allows remote attackers to guess the watchlist token and bypass CSRF protection via a timing attack.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | mediawiki | 1:1.25.5-1 | — |
| Debian 13 | mediawiki | 1:1.25.5-1 | — |
| Debian 12 | mediawiki | 1:1.25.5-1 | — |
References
- GLSA-201510-05 vendor-advisory
- [oss-security] 20150827 Re: CVE Request: MediaWiki 1.25.2, 1.24.3, 1.23.10 mailing-list
- [oss-security] 20150812 CVE Request: MediaWiki 1.25.2, 1.24.3, 1.23.10 mailing-list
- [MediaWiki-announce] 20150810 MediaWiki Security and Maintenance Releases: 1.25.2, 1.24.3, 1.23.10 mailing-list
- FEDORA-2015-13920 vendor-advisory
- 76334 vdb-entry