| Name | CVE-2023-3550 |
| Description | Mediawiki 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3671-1, DSA-5520-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| mediawiki (PTS) | stretch (security) | 1:1.27.7-1+deb9u11 | vulnerable |
| stretch (lts), stretch | 1:1.27.7-1+deb9u13 | vulnerable | |
| buster (security), buster, buster (lts) | 1:1.31.16-1+deb10u8 | fixed | |
| bullseye | 1:1.35.13-1+deb11u2 | fixed | |
| bullseye (security) | 1:1.35.13-1+deb11u3 | fixed | |
| bookworm (security), bookworm | 1:1.39.10-1~deb12u1 | fixed | |
| sid, trixie | 1:1.39.10-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| mediawiki | source | stretch | (unfixed) | end-of-life | ||
| mediawiki | source | buster | 1:1.31.16-1+deb10u7 | DLA-3671-1 | ||
| mediawiki | source | bullseye | 1:1.35.13-1~deb11u1 | DSA-5520-1 | ||
| mediawiki | source | bookworm | 1:1.39.5-1~deb12u1 | DSA-5520-1 | ||
| mediawiki | source | (unstable) | 1:1.39.5-1 |
https://phabricator.wikimedia.org/T341565