CVE-2014-1959

Public Exploit

Description

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.

Category

5.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory gnutls.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.gnutls.org/security.html vendor advisory
http://seclists.org/oss-sec/2014/q1/344 mailing list
http://seclists.org/oss-sec/2014/q1/345 mailing list
http://www.securityfocus.com/bid/65559 vdb entry
http://www.ubuntu.com/usn/USN-2121-1 vendor advisory
https://www.gitorious.org/gnutls/gnutls/commit/b1abfe3d182d68539900092eb42fc62cf1bb7e7c patch exploit
http://www.debian.org/security/2014/dsa-2866 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2014-1959?
CVE-2014-1959 has been scored as a medium severity vulnerability.
How to fix CVE-2014-1959?
To fix CVE-2014-1959, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-1959 being actively exploited in the wild?
It is possible that CVE-2014-1959 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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