Fluid Attacks Database

Description

Wikimedia Potential DOS due to slow WatchedItemStore::countVisitingWatchersMultiple Wikimedia MediaWiki 1.27.0 through 1.32.1 might allow DoS. Passing invalid titles to the API could cause a DoS by querying the entire watchlist table. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Package	Affected version	Patched versions
debian 12	mediawiki	>=0 <1:1.31.2-1	1:1.31.2-1
debian 13	mediawiki	>=0 <1:1.31.2-1	1:1.31.2-1
debian 14	mediawiki	>=0 <1:1.31.2-1	1:1.31.2-1
packagist	mediawiki/core	>=1.27.0 <1.27.6 \|\| >=1.30.0 <1.30.2 \|\| >=1.31.0 <1.31.2 \|\| >=1.32.0 <1.32.2	1.27.6, 1.30.2, 1.31.2, 1.32.2
debian 11	mediawiki	>=0 <1:1.31.2-1	1:1.31.2-1

Aliases

1. CVE-2019-124732. NVD-2019-124733. OSV-DEBIAN-2019-124734. OSV-2019-124735. GCVE-2019-124736. SECURITY-TRACKER-CVE-2019-12473

References

1. https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12473.yaml2. https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html3. https://phabricator.wikimedia.org/T2047294. https://seclists.org/bugtraq/2019/Jun/125. https://www.debian.org/security/2019/dsa-4460