CWE
200 79
Advisory Published
Updated

CVE-2016-8671: Infoleak

First published: Fri Jan 13 2017(Updated: )

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 unspecified vectors. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6887.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Matrixssl Matrixssl<=3.8.6

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Frequently Asked Questions

  • What is the severity of CVE-2016-8671?

    CVE-2016-8671 is classified as a high-severity vulnerability due to its potential to allow remote attackers to predict the secret key.

  • How do I fix CVE-2016-8671?

    To fix CVE-2016-8671, upgrade to MatrixSSL version 3.8.7 or later, which contains the necessary security patches.

  • What software is affected by CVE-2016-8671?

    CVE-2016-8671 affects MatrixSSL versions 3.8.6 and earlier.

  • What type of vulnerability is CVE-2016-8671?

    CVE-2016-8671 is a cryptographic vulnerability related to improper modular exponentiation.

  • How can attackers exploit CVE-2016-8671?

    Attackers can exploit CVE-2016-8671 by leveraging the flawed pstm_exptmod function to potentially predict the secret key.

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