PT-2017-16923 · F5 · Big-Ip

Published 2017-12-21 · Updated 2018-01-09 · CVE-2017-6164

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions F5 BIG-IP software versions 11.5.0 through 11.5.4 F5 BIG-IP software versions 11.6.0 through 11.6.1 F5 BIG-IP software versions 12.0.0 through 12.1.2 F5 BIG-IP software version 13.0.0

Description The issue arises from the Traffic Management Microkernel (TMM) not properly handling certain malformed TLS1.2 records. This can be exploited by remote attackers to cause a denial-of-service (DoS) or possibly achieve remote command execution on the BIG-IP system.

Recommendations For F5 BIG-IP software versions 11.5.0 through 11.5.4, update to a version that properly handles TLS1.2 records to prevent exploitation. For F5 BIG-IP software versions 11.6.0 through 11.6.1, update to a version that properly handles TLS1.2 records to prevent exploitation. For F5 BIG-IP software versions 12.0.0 through 12.1.2, update to a version that properly handles TLS1.2 records to prevent exploitation. For F5 BIG-IP software version 13.0.0, update to a version that properly handles TLS1.2 records to prevent exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2017-6164

Affected Products

Big-Ip

References · 4

• https://support.f5.com/csp/article/K02714910 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-6164 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-6164 · Security Note
• http://securitytracker.com/id/1040054 · Note