CVE-2016-6887

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via a CRT attack.

Metrics

CVSS 3.0 5.9/10CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.matrixssl.org/blog/releases/matrixssl_3_8_4Patch, Vendor Advisory
https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.htmlThird Party Advisory
http://www.matrixssl.org/blog/releases/matrixssl_3_8_4Patch, Vendor Advisory
https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.htmlThird Party Advisory

Timeline

Published: Jan 13, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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