F5 Networks BIG-IP : BIG-IP ASM and BIG-IP AFM/BIG-IP Analytics vulnerability (K23520761)
Medium Nessus Plugin ID 118645
SynopsisThe remote device is missing a vendor-supplied security patch.
DescriptionOn F5 BIG-IP 13.1.0 - 220.127.116.11, when ASM and one or more of these modules (AFM/AVR) are provisioned, the Traffic Management Microkernel (TMM) may restart while processing DNS requests when thevirtual server is configured with a DNS profile and the Protocol setting is set to TCP . (CVE-2018-5505)
Note : The BIG-IP Analytics (AVR) module isautomatically enabled when BIG-IP AFM is provisioned.
An attacker may be able to execute a remote denial of service.
Disabling any of the components mentioned in the description (for example, removing the DNS profile from the virtual server) avoids the issue. Virtual servers configured with UDP forthe Protocol setting are not affected.
SolutionUpgrade to one of the non-vulnerable versions listed in the F5 Solution K23520761.