F5 Networks BIG-IP : BIG-IP DHCPv6 vulnerability (K36228121)

high Nessus Plugin ID 127497

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Synopsis

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

Description

An attacker sending specifically crafted DHCPv6 requests through a BIG-IP virtual server configured with a DHCPv6 profile may be able to cause the Traffic Management Microkernel (TMM) process to produce a core file. (CVE-2019-6643)

Impact

This vulnerability may allow an attacker who can route DHCPv6 requests to the BIG-IP system to cause a remote denial of service (DoS) on the BIG-IP system. If configured in ahigh-availability (HA) pair, the active BIG-IP device fails over to the standby BIG-IP device.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K36228121.

Plugin Details

Severity: High

ID: 127497

File Name: f5_bigip_SOL36228121.nasl

Version: 1.7

Type: local

Family: F5 Networks Local Security Checks

Published: 8/12/2019

Updated: 5/7/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-6643

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_application_acceleration_manager, cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_application_visibility_and_reporting, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_link_controller, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/a:f5:big-ip_webaccelerator, cpe:/h:f5:big-ip

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/8/2019

Vulnerability Publication Date: 9/4/2019

Reference Information

CVE: CVE-2019-6643

Detections

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