CVE-2015-8009

The MWOAuthDataStore::lookup_token function in Extension:OAuth for MediaWiki 1.25.x before 1.25.3, 1.24.x before 1.24.4, and before 1.23.11 does not properly validate the signature when checking the authorization signature, which allows remote registered Consumers to use another Consumer's credentials by leveraging knowledge of the credentials.

Score

CVSS 3.0 9.8 Critical

Status

Modified - cve@mitre.org

Published

2017-07-25

Last modified

2024-08-06

Weaknesses

CWE-255

Affected products

• Mediawiki (Mediawiki)

References

• http://www.openwall.com/lists/oss-security/2015/10/29/14
• http://www.securitytracker.com/id/1034028
• https://phabricator.wikimedia.org/T103023