PT-2019-18249 · F5 · Big-Ip

Published 2019-11-27 · Updated 2019-12-12 · CVE-2019-6667

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 BIG-IP versions 11.5.1 through 11.6.5 BIG-IP versions 12.1.0 through 12.1.4.1 BIG-IP versions 13.1.0 through 13.1.1.5 BIG-IP versions 14.0.0 through 14.0.0.4 BIG-IP versions 14.1.0 through 14.1.0.5 BIG-IP versions 15.0.0 through 15.0.1

Description The issue arises under certain conditions when the TMM processes traffic for a Virtual Server with the FIX (Financial Information eXchange) profile applied, leading to excessive resource consumption.

Recommendations For BIG-IP versions 11.5.1 through 11.6.5, consider disabling the FIX profile for Virtual Servers until a patch is available. For BIG-IP versions 12.1.0 through 12.1.4.1, consider disabling the FIX profile for Virtual Servers until a patch is available. For BIG-IP versions 13.1.0 through 13.1.1.5, consider disabling the FIX profile for Virtual Servers until a patch is available. For BIG-IP versions 14.0.0 through 14.0.0.4, consider disabling the FIX profile for Virtual Servers until a patch is available. For BIG-IP versions 14.1.0 through 14.1.0.5, consider disabling the FIX profile for Virtual Servers until a patch is available. For BIG-IP versions 15.0.0 through 15.0.1, consider disabling the FIX profile for Virtual Servers until a patch is available.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2019-6667

Affected Products

Big-Ip

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2019-6667 · Security Note
• https://support.f5.com/csp/article/K82781208 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-6667 · Vendor Advisory