CVE-2023-45364

Name	CVE-2023-45364
Description	An 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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, 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 Package	Release	Version	Status
mediawiki (PTS)	bullseye	1:1.35.13-1+deb11u2	fixed
	bullseye (security)	1:1.35.13-1+deb11u4	fixed
	bookworm, bookworm (security)	1:1.39.13-1~deb12u1	fixed
	forky, sid, trixie	1:1.43.3+dfsg-1	fixed

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

Package	Type	Release	Fixed Version
mediawiki	source	buster	(not affected)
mediawiki	source	bullseye	(not affected)
mediawiki	source	bookworm	1:1.39.5-1~deb12u1
mediawiki	source	(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