Critical severity · published Jul 25, 2017
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…
9.8
CVSS
2.6%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mediawiki · Mediawiki
through 1.23.10; 1.24.0; 1.24.1; 1.24.2; 1.24.3; 1.25.0; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8009
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8009
Mailing List
http://www.openwall.com/lists/oss-security/2015/10/29/14
www.securitytracker.com
http://www.securitytracker.com/id/1034028
Exploit
https://phabricator.wikimedia.org/T103023
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