CVE-2021-41800: Allocation of Resources Without Limits or Throttling
(updated )
MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). Visiting Special:Contributions can sometimes result in a long running SQL query because PoolCounter protection is mishandled.
References
- github.com/advisories/GHSA-c8wv-qwwc-6j73
- github.com/wikimedia/mediawiki/commit/781caf83dba90c18349f930bbaaa0e89f003f874
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CJDYJQWT43GBD6GNQ4OW7JOZ6WQ6DZTN/
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MDBPECBWN6LWNSWIQMVXK6PP4YFEUYHA/
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/
- lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/
- nvd.nist.gov/vuln/detail/CVE-2021-41800
- phabricator.wikimedia.org/T284419
- security.gentoo.org/glsa/202305-24
Code Behaviors & Features
Detect and mitigate CVE-2021-41800 with GitLab Dependency Scanning
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