Description
MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.
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 | 1:1.19.2-1 | — |
| Debian 13 | mediawiki | 1:1.19.2-1 | — |
| Debian 12 | mediawiki | 1:1.19.2-1 | — |
References
- [oss-security] 20120831 CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flaws mailing-list
- [MediaWiki-announce] 20120831 MediaWiki security release: 1.19.2 and 1.18.5 mailing-list
- https://phabricator.wikimedia.org/T41823
- [oss-security] 20120831 Re: CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flaws mailing-list
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330