Vulnerability in GNU Gnutls
CVE-2014-1959
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.034 (88.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000
Affected products
- GNU Gnutls — versions 3.1.0, 3.1.1, 3.1.2
Weakness classification (CWE)
References
- www.gnutls.org/security.html (Vendor Advisory)
- seclists.org/oss-sec/2014/q1/344 (mailing-list)
- seclists.org/oss-sec/2014/q1/345 (mailing-list)
- www.securityfocus.com/bid/65559 (vdb-entry)
- www.ubuntu.com/usn/USN-2121-1 (vendor-advisory)
- www.gitorious.org/gnutls/gnutls/commit/b1abfe3d182d68539900092eb42fc62cf1bb7e7c (Exploit, Patch)
- www.debian.org/security/2014/dsa-2866 (vendor-advisory)