CVE-2021-45038

NameCVE-2021-45038
DescriptionAn issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. By using an action=rollback query, attackers can view private wiki contents.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-5021-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mediawiki (PTS)stretch1:1.27.7-1~deb9u3fixed
stretch (security)1:1.27.7-1+deb9u11fixed
buster1:1.31.16-1~deb10u1fixed
buster (security)1:1.31.16-1+deb10u2fixed
bullseye1:1.35.4-1~deb11u1vulnerable
bullseye (security)1:1.35.4-1+deb11u2fixed
bookworm, sid1:1.35.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mediawikisourcestretch(not affected)
mediawikisourcebuster(not affected)
mediawikisourcebullseye1:1.35.4-1+deb11u2DSA-5021-1
mediawikisource(unstable)1:1.35.5-1

Notes

[buster] - mediawiki <not-affected> (Vulnerable code not present)
[stretch] - mediawiki <not-affected> (Vulnerable code not present)
https://phabricator.wikimedia.org/T297574
https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/thread/QEN3EK4JXAVJMJ5GF3GYOAKNJPEKFQYA/

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