Information Exposure Affecting matrixssl package, versions *


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.36% (73rd percentile)

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  • Snyk IDSNYK-UBUNTU1404-MATRIXSSL-267287
  • published13 Jan 2017
  • disclosed13 Jan 2017

Introduced: 13 Jan 2017

CVE-2016-6887  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:14.04 matrixssl.

NVD Description

Note: Versions mentioned in the description apply only to the upstream matrixssl package and not the matrixssl package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

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.