CVE-2016-6886 - The pstm_reverse function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of ser

CVE-2016-6886

Summary

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.

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

Vulnerable Configurations

cpe:2.3:a:matrixssl:matrixssl:3.8.2:*:*:*:*:*:*:*
cpe:2.3:a:matrixssl:matrixssl:3.8.2:*:*:*:*:*:*:*
cpe:2.3:a:matrixssl:matrixssl:3.8.3:*:*:*:*:*:*:*
cpe:2.3:a:matrixssl:matrixssl:3.8.3:*:*:*:*:*:*:*

CVSS

Base:	5.0 (as of 18-01-2017 - 02:59)
Impact:
Exploitability:

CWE

CWE-320

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

AV:N/AC:L/Au:N/C:N/I:N/A:P

refmap via4

bid	92604
confirm	http://www.matrixssl.org/blog/releases/matrixssl_3_8_4
misc	https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html

Last major update

18-01-2017 - 02:59

Published

13-01-2017 - 16:59

Last modified

18-01-2017 - 02:59