CVE-2023-45364

NameCVE-2023-45364
DescriptionAn issue was discovered in includes/page/Article.php in MediaWiki 1.36.x through 1.39.x before 1.39.5 and 1.40.x before 1.40.1. Deleted revision existence is leaked due to incorrect permissions being checked. This reveals that a given revision ID belonged to the given page title, and its timestamp, both of which are not supposed to be public information.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mediawiki (PTS)bullseye1:1.35.13-1+deb11u2fixed
bullseye (security)1:1.35.13-1+deb11u3fixed
bookworm1:1.39.7-1~deb12u1fixed
bookworm (security)1:1.39.10-1~deb12u1fixed
sid, trixie1:1.39.10-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mediawikisourcebuster(not affected)
mediawikisourcebullseye(not affected)
mediawikisourcebookworm1:1.39.5-1~deb12u1
mediawikisource(unstable)1:1.39.5-1

Notes

[bullseye] - mediawiki <not-affected> (Vulnerable code not present)
[buster] - mediawiki <not-affected> (Vulnerable code not present)
https://phabricator.wikimedia.org/T264765

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