CVE-2012-1663 Use after free in n/a
Remote attackers can crash applications using GnuTLS by sending a crafted certificate list, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-1663?
CVE-2012-1663 is a high-severity use after free vulnerability in Gnu Gnutls, published on 13 Mar 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Double free vulnerability in libgnutls in GnuTLS before 3.0.14 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted certificate list.
Weakness: CWE-399
Which versions are affected by CVE-2012-1663?
It affects 1 product.
Products include Gnu Gnutls.
How do I fix CVE-2012-1663?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2012-1663 being exploited?
There is no known exploitation of CVE-2012-1663 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Gnu Gnutls
Sources
Also known as DEBIAN-CVE-2012-1663, GHSA-jjqc-5mxx-88h5.