Description
The chunked upload API (ApiUpload) in MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not restrict the uploaded data to the claimed file size, which allows remote authenticated users to cause a denial of service via a chunk that exceeds the file size.
Metrics
CVSS 2.0 3.5/10
AV:N/AC:M/Au:S/C:N/I:N/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.securitytracker.com/id/1034028
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-October/000181.htmlPatch, Vendor Advisory
- https://phabricator.wikimedia.org/T91203Vendor Advisory
- http://www.securitytracker.com/id/1034028
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-October/000181.htmlPatch, Vendor Advisory
- https://phabricator.wikimedia.org/T91203Vendor Advisory
Timeline
- Published
- Nov 9, 2015
- Last modified
- Jun 17, 2026
- NVD status
- Modified