Cross-site Request Forgery (CSRF) Affecting mediawiki package, versions <1:1.25.5-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-DEBIAN10-MEDIAWIKI-370059
- published23 Mar 2017
- disclosed23 Mar 2017
Introduced: 23 Mar 2017
CVE-2015-8623 (opens in a new tab)How to fix?
Upgrade Debian:10 mediawiki to version 1:1.25.5-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by Debian.
See How to fix? for Debian:10 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2015-8623
- https://gerrit.wikimedia.org/r/#/c/156336/5/includes/User.php
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html
- https://phabricator.wikimedia.org/T119309
- http://www.openwall.com/lists/oss-security/2015/12/21/8
- http://www.openwall.com/lists/oss-security/2015/12/23/7