CVE-2015-8001

Summary

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.

Impact & exploitability

AV:N/AC:M/Au:S/C:N/I:N/A:P

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-October/000181.html ↗

Additional information

• NVD record
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-October/000181.htmlPatch
• https://phabricator.wikimedia.org/T91203Advisory
• http://www.securitytracker.com/id/1034028