Vulnerability Details : 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.
Exploit prediction scoring system (EPSS) score for CVE-2014-1959
Probability of exploitation activity in the next 30 days: 0.65%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 79 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2014-1959
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST |
CWE ids for CVE-2014-1959
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-1959
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http://www.securityfocus.com/bid/65559
GnuTLS CVE-2014-1959 Certificate Validation Security Bypass Weakness
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http://seclists.org/oss-sec/2014/q1/344
oss-sec: CVE Request - GnuTLS corrects flaw in certificate verification (3.1.x/3.2.x)
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http://www.debian.org/security/2014/dsa-2866
Debian -- Security Information -- DSA-2866-1 gnutls26
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http://seclists.org/oss-sec/2014/q1/345
oss-sec: Re: CVE Request - GnuTLS corrects flaw in certificate verification (3.1.x/3.2.x)
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http://www.gnutls.org/security.html
GnuTLSVendor Advisory
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https://www.gitorious.org/gnutls/gnutls/commit/b1abfe3d182d68539900092eb42fc62cf1bb7e7c
Exploit;Patch
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http://www.ubuntu.com/usn/USN-2121-1
USN-2121-1: GnuTLS vulnerability | Ubuntu security notices
Products affected by CVE-2014-1959
- cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.13:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.7:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.12:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.14:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.9:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.10:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.11:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.15:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.9:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.19:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.18:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.17:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:3.1.16:*:*:*:*:*:*:*