CVE-2016-6890 Memory corruption in n/a

Critical 9.8 Published 5 Jan 2017 Updated 6 Aug 2024

Remote attackers can execute arbitrary code via a crafted X.509 certificate due to a heap-based buffer overflow in MatrixSSL.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2016-6890?

CVE-2016-6890 is a critical memory corruption vulnerability in n/a, published on 5 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Heap-based buffer overflow in MatrixSSL before 3.8.6 allows remote attackers to execute arbitrary code via a crafted Subject Alt Name in an X.509 certificate.

Weakness: CWE-119

Which versions are affected by CVE-2016-6890?

It affects 1 product.

Products include Matrixssl Matrixssl.

How do I fix CVE-2016-6890?

No fix has been published for CVE-2016-6890 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-6890 being exploited?

There is no known exploitation of CVE-2016-6890 in the wild and no public exploit code.

Sources

Also known as GHSA-p9v9-mf59-wf95.