Description
includes/User.php in MediaWiki before 1.19.12, 1.20.x and 1.21.x before 1.21.6, and 1.22.x before 1.22.3 terminates validation of a user token upon encountering the first incorrect character, which makes it easier for remote attackers to obtain access via a brute-force attack that relies on timing differences in responses to incorrect token guesses.
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 | 1:1.19.12+dfsg-1 | — |
| Debian 13 | mediawiki | 1:1.19.12+dfsg-1 | — |
| Debian 12 | mediawiki | 1:1.19.12+dfsg-1 | — |
References
- [oss-security] 20140228 CVE requests: MediaWiki 1.22.3, 1.21.6 and 1.19.12 release mailing-list
- https://bugzilla.wikimedia.org/show_bug.cgi?id=61346
- [mediawiki-announce] 20140228 MediaWiki Security and Maintenance Releases: 1.22.3, 1.21.6 and 1.19.12 mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=1071136
- [oss-security] 20140301 Re: CVE requests: MediaWiki 1.22.3, 1.21.6 and 1.19.12 release mailing-list
- https://gerrit.wikimedia.org/r/#/q/I2a9e89120f7092015495e638c6fa9f67adc9b84f%2Cn%2Cz