PT-2017-7454 · Wikimedia+1 · Mediawiki+1

Tgr · Published 2015-12-24 · Updated 2017-08-22 · CVE-2015-8624

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.23.12 MediaWiki versions 1.24.x prior to 1.24.5 MediaWiki versions 1.25.x prior to 1.25.4 MediaWiki versions 1.26.x prior to 1.26.1

Description The issue allows remote attackers to guess the edit token and bypass CSRF protection via a timing attack. This is due to the User::matchEditToken function not performing token comparison in constant time before determining if a debugging message should be logged.

Recommendations For MediaWiki versions prior to 1.23.12, update to version 1.23.12 or later. For MediaWiki versions 1.24.x prior to 1.24.5, update to version 1.24.5 or later. For MediaWiki versions 1.25.x prior to 1.25.4, update to version 1.25.4 or later. For MediaWiki versions 1.26.x prior to 1.26.1, update to version 1.26.1 or later.

Exploit

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

ALT-PU-2017-2095

CVE-2015-8624

MGASA-2015-0486

Affected Products

Alt Linux

Mediawiki

References · 53

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/mediawiki_syntaxhighlight.rb · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6335 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8624 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0361 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0369 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6334 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0368 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0365 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6333 · Security Note
• https://bdu.fstec.ru/vul/2020-02564 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12474 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6336 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6331 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0370 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2015-8624 · Security Note