CVE-2014-1959
MEDIUM severity · CVSS 5.8 · CWE-264
5.8CVSS MEDIUM
Summary
lib/x509/verify.c in GnuTLS before 3.1.21 and 3.2.x before 3.2.11 treats version 1 X.509 certificates as intermediate CAs, which allows remote attackers to bypass intended restrictions by leveraging a X.509 V1 certificate from a trusted CA to issue new certificates.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impactNone
Exploit probability (EPSS)3%
AV:N/AC:M/Au:N/C:P/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.
Official patch: https://www.gitorious.org/gnutls/gnutls/commit/b1abfe3d182d68539900092eb42fc62cf1bb7e7c ↗
Additional information
- NVD record
- https://www.gitorious.org/gnutls/gnutls/commit/b1abfe3d182d68539900092eb42fc62cf1bb7e7cPatch
- http://www.gnutls.org/security.htmlAdvisory
- http://seclists.org/oss-sec/2014/q1/344
- http://seclists.org/oss-sec/2014/q1/345
- http://www.debian.org/security/2014/dsa-2866
- http://www.securityfocus.com/bid/65559
- http://www.ubuntu.com/usn/USN-2121-1