CVE-2019-14431 Memory corruption in n/a
A heap-based buffer overflow in MatrixSSL's DTLS server allows remote attackers to execute arbitrary code or cause denial of service via crafted packets.
- 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-2019-14431?
CVE-2019-14431 is a critical memory corruption vulnerability in n/a, published on 29 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In MatrixSSL 3.8.3 Open through 4.2.1 Open, the DTLS server mishandles incoming network messages leading to a heap-based buffer overflow of up to 256 bytes and possible Remote Code Execution in parseSSLHandshake in sslDecode.c. During processing of a crafted packet, the server mishandles the fragment length value provided in the DTLS message.
Which versions are affected by CVE-2019-14431?
It affects 1 product.
Products include Matrixssl Matrixssl.
How do I fix CVE-2019-14431?
No fix has been published for CVE-2019-14431 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-2019-14431 being exploited?
There is no known exploitation of CVE-2019-14431 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-8cvm-x5pf-w457.