CVE-2014-8764
MEDIUM severity · CVSS 5 · Improper authentication
5CVSS MEDIUM
Summary
DokuWiki 2014-05-05a and earlier, when using Active Directory for LDAP authentication, allows remote attackers to bypass authentication via a user name and password starting with a null (\0) character, which triggers an anonymous bind.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)2%
AV:N/AC:L/Au:N/C:N/I:P/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://advisories.mageia.org/MGASA-2014-0438.html
- http://secunia.com/advisories/61983
- http://www.debian.org/security/2014/dsa-3059
- http://www.freelists.org/post/dokuwiki/Fwd-Dokuwiki-maybe-security-issue-Null-byte-poisoning-in-LDAP-authentication
- http://www.openwall.com/lists/oss-security/2014/10/13/3
- http://www.openwall.com/lists/oss-security/2014/10/16/9
- https://github.com/splitbrain/dokuwiki/pull/868