Vulnerability Details CVE-2016-6886
The pstm_reverse function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid memory read and crash) via a (1) zero value or (2) the key's modulus for the secret key during RSA key exchange.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 73.3%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://www.matrixssl.org/blog/releases/matrixssl_3_8_4
- http://www.securityfocus.com/bid/92604
- https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html
- http://www.matrixssl.org/blog/releases/matrixssl_3_8_4
- http://www.securityfocus.com/bid/92604
- https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html