CVE-2016-6882 Information

Description

MatrixSSL before 3.8.7 when the DHE_RSA based cipher suite is supported makes it easier for remote attackers to obtain RSA private key information by conducting a Lenstra side-channel attack.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2016/08/19/7 http://www.securityfocus.com/bid/91488 https://access.redhat.com/blogs/766093/posts/1976703 https://github.com/matrixssl/matrixssl/blob/master/CHANGES.mdvalidation-of-rsa-signature-creation https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.9