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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mediawiki | Mediawiki | 1.17 (including) | 1.17 (including) |
| Mediawiki | Mediawiki | 1.17-beta_1 (including) | 1.17-beta_1 (including) |
| Mediawiki | Mediawiki | 1.17.0 (including) | 1.17.0 (including) |
| Mediawiki | Mediawiki | 1.17.0-rc1 (including) | 1.17.0-rc1 (including) |
| Mediawiki | Mediawiki | 1.17.1 (including) | 1.17.1 (including) |
| Mediawiki | Mediawiki | 1.17.2 (including) | 1.17.2 (including) |
| Mediawiki | Ubuntu | hardy | * |
| Mediawiki | Ubuntu | lucid | * |
| Mediawiki | Ubuntu | natty | * |
| Mediawiki | Ubuntu | oneiric | * |
| Mediawiki | Ubuntu | precise | * |
References
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000109.html
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000110.html
- http://secunia.com/advisories/48504
- http://www.openwall.com/lists/oss-security/2012/03/22/9
- http://www.openwall.com/lists/oss-security/2012/03/24/1
- http://www.securityfocus.com/bid/52689
- https://bugzilla.wikimedia.org/show_bug.cgi?id=22555
- https://bugzilla.wikimedia.org/show_bug.cgi?id=35315
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000109.html
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000110.html
- http://secunia.com/advisories/48504
- http://www.openwall.com/lists/oss-security/2012/03/22/9
- http://www.openwall.com/lists/oss-security/2012/03/24/1
- http://www.securityfocus.com/bid/52689
- https://bugzilla.wikimedia.org/show_bug.cgi?id=22555
- https://bugzilla.wikimedia.org/show_bug.cgi?id=35315