PT-2021-21124 · Mediawiki+1 · Mediawiki+1

Zabe · Published 2021-06-12 · Updated 2024-03-06 · CVE-2021-36127

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: MediaWiki versions through 1.36

Description: An issue was discovered in the CentralAuth extension where the Special:GlobalUserRights page provided different search results for a suppressed MediaWiki user compared to other users, thus easily disclosing suppressed accounts. These accounts are supposed to be completely hidden.

Recommendations: For MediaWiki versions through 1.36, update to a version that fixes this issue to prevent the disclosure of suppressed accounts. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Insecure Storage of Sensitive Information

Weakness Enumeration

CWE-922

Related Identifiers

ALT-PU-2021-1991

ALT-PU-2021-2091

BIT-MEDIAWIKI-2021-36127

CVE-2021-36127

Affected Products

Alt Linux

Mediawiki

References · 7

• 🔥 https://phabricator.wikimedia.org/T285190 · Exploit
• https://gerrit.wikimedia.org/r/q/I4e4dbcad61e1d4f6fd8b038bf63d19c69081a8ec · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36127 · Security Note
• https://osv.dev/vulnerability/BIT-mediawiki-2021-36127 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-36127 · Vendor Advisory
• https://t.me/cvenotify/16983 · Telegram Post
• https://t.me/cvenotify/16992 · Telegram Post