CVE-2017-5337 Memory corruption in n/a
Remote attackers can trigger heap-based buffer overflows in GnuTLS via crafted OpenPGP certificates, potentially leading to code execution or 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-2017-5337?
CVE-2017-5337 is a critical memory corruption vulnerability in Gnu Gnutls, published on 24 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple heap-based buffer overflows in the read_attribute function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to have unspecified impact via a crafted OpenPGP certificate.
Weakness: CWE-119
Which versions are affected by CVE-2017-5337?
It affects 2 products.
Products include Gnu Gnutls, Opensuse Leap.
How do I fix CVE-2017-5337?
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-2017-5337 being exploited?
There is no known exploitation of CVE-2017-5337 in the wild and no public exploit code.
Other vulnerabilities in Gnu Gnutls
Sources
Also known as DEBIAN-CVE-2017-5337, GHSA-c5c3-3h6m-3ghx, UBUNTU-CVE-2017-5337.