PT-2020-6810 · Mediawiki+1 · Mediawiki+1

Published 2020-09-25 · Updated 2024-03-06 · CVE-2020-25813

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions MediaWiki versions 1.31.x through 1.31.9 MediaWiki versions 1.32.x through 1.34.x before 1.34.4

Description The issue is related to errors in permission handling in the Special:UserRights component of MediaWiki. This can allow a remote attacker to disclose protected information, specifically exposing the existence of hidden users.

Recommendations For MediaWiki versions 1.31.x through 1.31.9, update to version 1.31.10 or later. For MediaWiki versions 1.32.x through 1.34.x before 1.34.4, update to version 1.34.4 or later. As a temporary workaround, consider restricting access to the Special:UserRights component until a patch is available.

Exploit

Fix

Weakness Enumeration

CWE-275

CWE-264

Related Identifiers

ALT-PU-2020-3022

ALT-PU-2020-3055

BDU:2022-07043

BIT-MEDIAWIKI-2020-25813

CVE-2020-25813

DLA-2379-1

DSA-4767-1

GHSA-C4RJ-WRMQ-52RJ

MGASA-2020-0381

Affected Products

Alt Linux

Mediawiki

References · 30

• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-25813.yaml · Exploit
• https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-07043 · Security Note
• https://meta.wikimedia.org/wiki/Special:UserRights · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-25813 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-25813 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-25813 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-25813 · Vendor Advisory
• https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2020-0381 · Vendor Advisory
• https://debian.org/security/2020/dsa-4767 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2020-0381.html · Security Note
• https://osv.dev/vulnerability/DSA-4767-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-c4rj-wrmq-52rj · Vendor Advisory