CVE-2016-6891 Information

Description

MatrixSSL before 3.8.6 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted ASN.1 Bit Field primitive in an X.509 certificate.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/93498 http://www.tripwire.com/state-of-security/security-data-protection/cyber-security/flawed-matrixssl-code-highlights-need-for-better-iot-update-practices/ https://github.com/matrixssl/matrixssl/blob/3-8-6-open/CHANGES.md https://www.kb.cert.org/vuls/id/396440

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5