CVE-2014-1959 Security feature bypass in n/a
Remote attackers can bypass certificate validation restrictions by using version 1 X.509 certificates as intermediate CAs in GnuTLS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-1959?
CVE-2014-1959 is a medium-severity vulnerability in Gnu Gnutls, published on 6 Mar 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-264
Which versions are affected by CVE-2014-1959?
It affects 1 product.
Products include Gnu Gnutls.
How do I fix CVE-2014-1959?
Upgrade to a fixed version.
Is CVE-2014-1959 being exploited?
There is no known exploitation of CVE-2014-1959 in the wild and no public exploit code.
Other vulnerabilities in Gnu Gnutls
Sources
Also known as DEBIAN-CVE-2014-1959, DSA-2866-1, GHSA-pcqq-cwj9-7ggm, MGASA-2014-0077, UBUNTU-CVE-2014-1959.