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CVE-2015-8002

MEDIUM severity · CVSS 6.8 · CWE-399
6.8CVSS MEDIUM

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 allows remote authenticated users to cause a denial of service (disk consumption) via a file upload using one byte chunks.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)2%

AV:N/AC:L/Au:S/C:N/I:N/A:C

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 ↗