F5 Networks BIG-IP : F5 BIG-IP TMM vulnerability (K31404801)

Medium Nessus Plugin ID 118652

Synopsis

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

Description

A virtual server using the URL categorization feature may cause the Traffic Management Microkernel (TMM) to produce a core file when it receives malformed URLs during categorization. (CVE-2017-6169).

Impact

An attacker may be able to disrupt traffic or cause the BIG-IP system to fail over to another device in the device group.

This vulnerabilityaffects BIG-IP systems withthe following configuration :

The BIG-IP system has Policy Enforcement Manager (PEM) provisioned.

The URL categorization feature is licensed on the system.

One or more virtual servers use URL categorization throughone of the following: An iRule

A Centralized Policy Matching (CPM)rule.

A BIG-IP PEMpolicy.

One or more virtual servers processmalformed URL categorization input.

Note : The URL categorization feature enables you to enforce policies configured as part of the subscriber profile based on the URL category type; the URL categorization is obtained by querying an internal repository.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K31404801.

See Also

https://support.f5.com/csp/#/article/K31404801

Plugin Details

Severity: Medium

ID: 118652

File Name: f5_bigip_SOL31404801.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: 6.8

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

Vulnerability Information

CPE: cpe:/a:f5:big-ip_policy_enforcement_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: 2018/02/05

Reference Information

CVE: CVE-2017-6169