CVE-2015-6728

Description

The ApiBase::getWatchlistUser function in MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2 does not perform token comparison in constant time, which allows remote attackers to guess the watchlist token and bypass CSRF protection via a timing attack.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.16%
Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201510-05 vendor advisory
http://www.openwall.com/lists/oss-security/2015/08/27/6 mailing list
http://www.openwall.com/lists/oss-security/2015/08/12/6 mailing list
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-August/000179.html mailing list vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165193.html vendor advisory
http://www.securityfocus.com/bid/76334 vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-6728?
CVE-2015-6728 has been scored as a high severity vulnerability.
How to fix CVE-2015-6728?
To fix CVE-2015-6728, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-6728 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-6728 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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