Resource exhaustion in F5 Networks products - CVE-2019-6667
Published: November 29, 2019
Vulnerability identifier: #VU23102
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-6667
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the Traffic Management Microkernel (TMM) may consume excessive resources when processing traffic for a virtual server with the FIX (Financial Information eXchange) profile applied. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Affected software
BIG-IP AAM
BIG-IP Link Controller
BIG-IP WebAccelerator
BIG-IP DNS
BIG-IP Edge Gateway
BIG-IP GTM
BIG-IP APM
BIG-IP Analytics
BIG-IP ASM
BIG-IP FPS
BIG-IP PEM
BIG-IP AFM
BIG-IP LTM
BIG-IP Link Controller
BIG-IP WebAccelerator
BIG-IP DNS
BIG-IP Edge Gateway
BIG-IP GTM
BIG-IP APM
BIG-IP Analytics
BIG-IP ASM
BIG-IP FPS
BIG-IP PEM
BIG-IP AFM
BIG-IP LTM
How to mitigate CVE-2019-6667
Install updates from vendor's website.
BIG-IP AAM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP GTM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP APM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP Link Controller - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP Analytics - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP ASM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP FPS - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP PEM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP WebAccelerator - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP AFM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP DNS - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP Edge Gateway - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP LTM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP GTM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP APM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP Link Controller - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP Analytics - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP ASM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP FPS - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP PEM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP WebAccelerator - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP AFM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP DNS - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP Edge Gateway - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1
BIG-IP LTM - addressed in versions 11.6.5.1, 12.1.5, 13.1.3, 14.0.0.5, 14.1.0.6, 15.0.1.1