F5 Networks BIG-IP : BIG-IP ASM and BIG-IP AFM/BIG-IP Analytics vulnerability (K23520761)

Medium Nessus Plugin ID 118645

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

On F5 BIG-IP 13.1.0 - 13.1.0.3, 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.

Impact

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.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K23520761.

See Also

https://support.f5.com/csp/#/article/K23520761

Plugin Details

Severity: Medium

ID: 118645

File Name: f5_bigip_SOL23520761.nasl

Version: 1.1

Type: local

Published: 2018/11/02

Modified: 2018/11/02

Dependencies: 76940

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS v3.0

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_application_security_manager, cpe:/h:f5:big-ip

Required KB Items: Host/local_checks_enabled, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Patch Publication Date: 2018/03/21

Reference Information

CVE: CVE-2018-5505