CVE-2012-1573 Memory corruption in n/a
Remote attackers can cause a denial of service via heap memory corruption in GnuTLS by sending crafted encrypted records.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-1573?
CVE-2012-1573 is a medium-severity memory corruption vulnerability in Gnu Gnutls, published on 26 Mar 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
gnutls_cipher.c in libgnutls in GnuTLS before 2.12.17 and 3.x before 3.0.15 does not properly handle data encrypted with a block cipher, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) via a crafted record, as demonstrated by a crafted GenericBlockCipher structure.
Weakness: CWE-310
Which versions are affected by CVE-2012-1573?
It affects 1 product.
Products include Gnu Gnutls.
How do I fix CVE-2012-1573?
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-2012-1573 being exploited?
There is no known exploitation of CVE-2012-1573 in the wild and no public exploit code.
Other vulnerabilities in Gnu Gnutls
Sources
Also known as DEBIAN-CVE-2012-1573, DSA-2441-1, GHSA-h34x-7v7j-22v5.