CVE-2019-6684

On versions 15.0.0-15.0.1.1, 14.0.0-14.1.2.2, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, under certain conditions, a multi-bladed BIG-IP Virtual Clustered Multiprocessing (vCMP) may drop broadcast packets when they are rebroadcast to the vCMP guest secondary blades. An attacker can leverage the fragmented broadcast IP packets to perform any type of fragmentation-based attack.

Score

CVSS 3.1 7.5 High

Status

Modified - f5sirt@f5.com

Published

2019-12-23

Last modified

2024-08-04

Affected products

• Big-ip (F5)
• Big-ip Access Policy Manager (F5)
• Big-ip Advanced Firewall Manager (F5)
• Big-ip Analytics (F5)
• Big-ip Application Acceleration Manager (F5)
• Big-ip Application Security Manager (F5)
• Big-ip Domain Name System (F5)
• Big-ip Fraud Protection Service (F5)
• Big-ip Global Traffic Manager (F5)
• Big-ip Link Controller (F5)
• Big-ip Local Traffic Manager (F5)
• Big-ip Policy Enforcement Manager (F5)

References

• https://support.f5.com/csp/article/K95117754