CVEvulnerability
CVE-2015-8623
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2017-03-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-352
Description
The User::matchEditToken function in includes/User.php in MediaWiki before 1.23.12 and 1.24.x before 1.24.5 does not perform token comparison in constant time before returning, which allows remote attackers to guess the edit token and bypass CSRF protection via a timing attack, a different vulnerability than CVE-2015-8624.
Affected configurations
• mediawiki mediawiki (<= 1.23.11)
• mediawiki mediawiki 1.24.0
• mediawiki mediawiki 1.24.1
• mediawiki mediawiki 1.24.2
• mediawiki mediawiki 1.24.3
• mediawiki mediawiki 1.24.4
Related
Weakness · CWE (1)
- CWE-352 Cross-Site Request Forgery weakness
References
- http://www.openwall.com/lists/oss-security/2015/12/21/8 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/23/7 Mailing List, Patch, Third Party Advisory
- https://gerrit.wikimedia.org/r/#/c/156336/5/includes/User.php Issue Tracking, Third Party Advisory
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html Patch, Release Notes, Vendor Advisory
- https://phabricator.wikimedia.org/T119309 Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/21/8 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/23/7 Mailing List, Patch, Third Party Advisory
- https://gerrit.wikimedia.org/r/#/c/156336/5/includes/User.php Issue Tracking, Third Party Advisory
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html Patch, Release Notes, Vendor Advisory
- https://phabricator.wikimedia.org/T119309 Patch, Third Party Advisory