In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and...
Vulnerability Description
In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and 1.34.x before 1.34.2, private wikis behind a caching server using the img_auth.php image authorization security feature may have had their files cached publicly, so any unauthorized user could view them. This occurs because Cache-Control and Vary headers were mishandled.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://phabricator.wikimedia.org/T248947
- https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_34/RELEASE-NOTES-1.34
- https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_33/RELEASE-NOTES-1.33
- https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_31/RELEASE-NOTES-1.31
- https://lists.wikimedia.org/pipermail/wikitech-l/2020-June/093535.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EEZIMLJMJS72SJXPYL736XMUAVCRQD2H/
- https://www.debian.org/security/2020/dsa-4767
- https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html
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mediawiki
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.