CVE-2021-30155

NameCVE-2021-30155
DescriptionAn issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. ContentModelChange does not check if a user has correct permissions to create and set the content model of a nonexistent page.
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)
ReferencesDLA-2648-1, DSA-4889-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mediawiki (PTS)stretch1:1.27.7-1~deb9u3vulnerable
stretch (security)1:1.27.7-1~deb9u9fixed
buster1:1.31.12-1~deb10u1vulnerable
buster (security)1:1.31.14-1~deb10u1fixed
bullseye, sid1:1.35.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mediawikisourcestretch1:1.27.7-1~deb9u8DLA-2648-1
mediawikisourcebuster1:1.31.14-1~deb10u1DSA-4889-1
mediawikisource(unstable)1:1.35.2-1

Notes

https://phabricator.wikimedia.org/T270988
https://lists.wikimedia.org/pipermail/wikitech-l/2021-April/094418.html

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