PT-2022-12583 · Mediawiki+1 · Mediawiki+1

Nikerabbit · Published 2021-12-20 · Updated 2024-03-06 · CVE-2021-46149

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.35.5 MediaWiki versions 1.36.x prior to 1.36.3 MediaWiki versions 1.37.x prior to 1.37.1

Description A denial of service can be accomplished by searching for a very long key in a Language Name Search, leading to resource consumption.

Recommendations For MediaWiki versions prior to 1.35.5, update to version 1.35.5 or later. For MediaWiki versions 1.36.x prior to 1.36.3, update to version 1.36.3 or later. For MediaWiki versions 1.37.x prior to 1.37.1, update to version 1.37.1 or later.

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

ALT-PU-2021-3561

ALT-PU-2022-1199

BIT-MEDIAWIKI-2021-46149

CVE-2021-46149

Affected Products

Alt Linux

Mediawiki

References · 5

• https://osv.dev/vulnerability/BIT-mediawiki-2021-46149 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46149 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46149 · Vendor Advisory
• https://phabricator.wikimedia.org/T293749 · Note
• https://gerrit.wikimedia.org/r/q/Ide32704cca578b9aecbce34bdcc0ac25c2a09a4d · Note