CVE-2019-14431

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.23% Top 25%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/matrixssl/matrixssl/issues/30 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-14431?
CVE-2019-14431 has been scored as a critical severity vulnerability.
How to fix CVE-2019-14431?
To fix CVE-2019-14431, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-14431 being actively exploited in the wild?
It is possible that CVE-2019-14431 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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