CVE-2023-3550

NameCVE-2023-3550
DescriptionMediawiki v1.40.0 does not validate namespaces used in XML files. Therefore, if the instance administrator allows XML file uploads, a remote attacker with a low-privileged user account can use this exploit to become an administrator by sending a malicious link to the instance administrator.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3671-1, DSA-5520-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mediawiki (PTS)stretch (security)1:1.27.7-1+deb9u11vulnerable
stretch (lts), stretch1:1.27.7-1+deb9u13vulnerable
buster1:1.31.16-1+deb10u2vulnerable
buster (security)1:1.31.16-1+deb10u8fixed
bullseye1:1.35.13-1~deb11u1fixed
bullseye (security)1:1.35.13-1+deb11u2fixed
bookworm1:1.39.5-1~deb12u1fixed
bookworm (security)1:1.39.7-1~deb12u1fixed
sid, trixie1:1.39.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mediawikisourcestretch(unfixed)end-of-life
mediawikisourcebuster1:1.31.16-1+deb10u7DLA-3671-1
mediawikisourcebullseye1:1.35.13-1~deb11u1DSA-5520-1
mediawikisourcebookworm1:1.39.5-1~deb12u1DSA-5520-1
mediawikisource(unstable)1:1.39.5-1

Notes

https://phabricator.wikimedia.org/T341565

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