CVE-2015-8624 Cross-site request forgery in n/a
Remote attackers can bypass CSRF protection in MediaWiki by guessing edit tokens via a timing attack due to non-constant time comparison.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2015-8624?
CVE-2015-8624 is a high-severity vulnerability in Mediawiki Mediawiki, published on 23 Mar 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The User::matchEditToken function in includes/User.php in MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1 does not perform token comparison in constant time before determining if a debugging message should be logged, which allows remote attackers to guess the edit token and bypass CSRF protection via a timing attack, a different vulnerability than CVE-2015-8623.
Weakness: CWE-352
Which versions are affected by CVE-2015-8624?
It affects 1 product.
Products include Mediawiki Mediawiki.
How do I fix CVE-2015-8624?
Upgrade to a fixed version.
Is CVE-2015-8624 being exploited?
There is no known exploitation of CVE-2015-8624 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as DEBIAN-CVE-2015-8624, GHSA-3h2m-jjrw-87hw.