Description
The Special:DeletedContributions page in MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2 allows remote attackers to determine if an IP is autoblocked via the "Change block" text.
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
- https://github.com/wikimedia/mediawiki/commit/5faabfa1bbf65536ea36108887040198afcb3c82
- [oss-security] 20150827 Re: CVE Request: MediaWiki 1.25.2, 1.24.3, 1.23.10 mailing-list
- https://phabricator.wikimedia.org/T106893
- [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