PT-2017-9047 · Matrixssl · Matrixssl

Hanno Böck · Published 2017-01-13 · Updated 2017-01-17 · CVE-2016-6885

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions MatrixSSL versions prior to 3.8.4

Description The issue allows remote attackers to cause a denial of service, resulting in an invalid free and crash, by providing a base zero value for the modular exponentiation in the pstm exptmod function.

Recommendations For versions prior to 3.8.4, update to version 3.8.4 or later to resolve the issue.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2016-6885

Affected Products

Matrixssl

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2016-6885 · Security Note
• http://matrixssl.org/blog/releases/matrixssl_3_8_4 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-6885 · Vendor Advisory
• https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html · Note