Description
The wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to cause a denial of service (infinite loop) via certain input, as demonstrated by the padleft function.
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 | 1:1.19.0-1 | — |
| Debian 13 | mediawiki | 1:1.19.0-1 | — |
| Debian 12 | mediawiki | 1:1.19.0-1 | — |
References
- [oss-security] 20120323 CVEs for MediaWiki security and maintenance release 1.18.2 mailing-list
- [MediaWiki-announce] 20120322 MediaWiki security and maintenance release 1.18.2 mailing-list
- 48504 third-party-advisory
- https://bugzilla.wikimedia.org/show_bug.cgi?id=35315
- https://bugzilla.wikimedia.org/show_bug.cgi?id=22555
- [MediaWiki-announce] 20120322 MediaWiki security and maintenance release 1.17.3 mailing-list
- [oss-security] 20120322 MediaWiki security and maintenance release 1.18.2 mailing-list
- 52689 vdb-entry