CVE-2013-4466 Memory corruption in n/a
Remote servers can cause denial of service via memory corruption in the GnuTLS DANE library when processing excessive entries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-4466?
CVE-2013-4466 is a medium-severity memory corruption vulnerability in Gnu Gnutls, published on 19 Nov 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow in the dane_query_tlsa function in the DANE library (libdane) in GnuTLS 3.1.x before 3.1.15 and 3.2.x before 3.2.5 allows remote servers to cause a denial of service (memory corruption) via a response with more than four DANE entries.
Weakness: CWE-119
Which versions are affected by CVE-2013-4466?
It affects 1 product.
Products include Gnu Gnutls.
How do I fix CVE-2013-4466?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2013-4466 being exploited?
There is no known exploitation of CVE-2013-4466 in the wild and no public exploit code.
Other vulnerabilities in Gnu Gnutls
Sources
Also known as GHSA-7hp3-frg2-6v54, MGASA-2013-0354.