CVE-2011-4128 Memory corruption in n/a
Remote TLS servers can crash GnuTLS clients via buffer overflow in session resumption, requiring nonstandard client configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-4128?
CVE-2011-4128 is a medium-severity memory corruption vulnerability in Gnu Gnutls, published on 8 Dec 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow in the gnutls_session_get_data function in lib/gnutls_session.c in GnuTLS 2.12.x before 2.12.14 and 3.x before 3.0.7, when used on a client that performs nonstandard session resumption, allows remote TLS servers to cause a denial of service (application crash) via a large SessionTicket.
Weakness: CWE-119
Which versions are affected by CVE-2011-4128?
It affects 1 product.
Products include Gnu Gnutls.
How do I fix CVE-2011-4128?
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-2011-4128 being exploited?
There is no known exploitation of CVE-2011-4128 in the wild and no public exploit code.
Other vulnerabilities in Gnu Gnutls
Sources
Also known as GHSA-frg2-36r7-7hpc.