CVE-2015-8008

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-12-29 · updated 2026-06-17
Weakness: CWE-284

Description

The OAuth extension for MediaWiki improperly negotiates a new client token only over Special:OAuth/initiate, which allows attackers to bypass intended IP address access restrictions by making an API request with an existing token.

Affected products

Fedoraproject Fedora: 21, 22, 23
Wikimedia Foundation MediaWiki: before 1.25.3 — fixed in 1.25.3

How to fix

Upgrade to a fixed version: Wikimedia Foundation MediaWiki 1.25.3. Check the vendor advisory for mitigations.

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170961.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170979.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171007.html
http://www.openwall.com/lists/oss-security/2015/10/29/14
http://www.securityfocus.com/bid/77379
http://www.securitytracker.com/id/1034028
https://bugzilla.redhat.com/show_bug.cgi?id=1273353
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-October/000182.html
https://phabricator.wikimedia.org/T103022
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170961.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170979.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171007.html

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