CVE-2019-6439 Memory corruption in n/a
A heap-based buffer overflow in the wolfSSL benchmark tool allows attackers to execute arbitrary code or cause 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-2019-6439?
CVE-2019-6439 is a critical memory corruption vulnerability in Wolfssl Wolfssl, published on 16 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
examples/benchmark/tls_bench.c in a benchmark tool in wolfSSL through 3.15.7 has a heap-based buffer overflow.
Weakness: CWE-787
Which versions are affected by CVE-2019-6439?
It affects 1 product.
Products include Wolfssl Wolfssl.
How do I fix CVE-2019-6439?
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-2019-6439 being exploited?
There is no known exploitation of CVE-2019-6439 in the wild and no public exploit code.
Other vulnerabilities in Wolfssl Wolfssl
Sources
Also known as DEBIAN-CVE-2019-6439, GHSA-7hpf-vr39-r84h, UBUNTU-CVE-2019-6439.