CVE-2021-44858 — Incorrect Default Permissions in Mediawiki

CWE-276 — Incorrect Default Permissions5 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 38.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
MediawikiDebian Mediawiki
Timeline
PublishedDec 20
Latest updateDec 21

Description

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. It is possible to use action=edit&undo= followed by action=mcrundo and action=mcrrestore to view private pages on a private wiki that has at least one page set in $wgWhitelistRead.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/mediawiki< mediawiki 1:1.35.5-1 (bookworm)
▶NVDmediawiki/mediawiki1.36.0 — 1.36.3+2
▶Debianmediawiki/mediawiki< 1:1.35.4-1+deb11u2+3

Patches

Patch: phabricator.wikimedia.org ↗Patch: phabricator.wikimedia.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-7h7h-4rmp-2qm5: An issue was discovered in MediaWiki before 1↗2021-12-21
▶
OSV
CVE-2021-44858: An issue was discovered in MediaWiki before 1↗2021-12-20
▶

📋Vendor Advisories

2
Red Hat
mediawiki: information disclosure↗2021-12-16
▶
Debian
CVE-2021-44858: mediawiki - An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1....↗2021
▶
CVE-2021-44858 — Incorrect Default Permissions | cvebase