CVE-2016-6885 - The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of ser

CVE-2016-6885

Summary

The pstm_exptmod function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid free and crash) via a base zero value for the modular exponentiation.

References

http://www.matrixssl.org/blog/releases/matrixssl_3_8_4
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 17-01-2017 - 18:23)
Impact:
Exploitability:

CWE

CWE-416

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

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

17-01-2017 - 18:23

Published

13-01-2017 - 16:59

Last modified

17-01-2017 - 18:23