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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.52% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-255
- Affected
- mediawiki/mediawiki
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2015/10/29/14Mailing List, VDB Entry
- http://www.securitytracker.com/id/1034028
- https://phabricator.wikimedia.org/T103023Exploit, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/10/29/14Mailing List, VDB Entry
- http://www.securitytracker.com/id/1034028
- https://phabricator.wikimedia.org/T103023Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.