Description
Unrestricted file upload vulnerability in the chunk upload API in MediaWiki 1.19 through 1.19.6 and 1.20.x before 1.20.6 allows remote attackers to execute arbitrary code by uploading a file with an executable extension.
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 | 1:1.19.7+dfsg-1 | — |
| Debian 13 | mediawiki | 1:1.19.7+dfsg-1 | — |
| Debian 12 | mediawiki | 1:1.19.7+dfsg-1 | — |
References
- 55433 third-party-advisory
- [oss-security] 20130524 Re: CVE request: MediaWiki chunked uploads vulnerability mailing-list
- GLSA-201310-21 vendor-advisory
- https://bugzilla.wikimedia.org/show_bug.cgi?id=48306
- [MediaWiki-announce] 20130521 MediaWiki Security Release: 1.20.6 and 1.19.7 mailing-list