F5 Networks BIG-IP : DHCP client vulnerability (K08306700)

Medium Nessus Plugin ID 118625

Synopsis

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

Description

An out-of-bound memory access flaw was found in the way dhclient processed a DHCP response packet. A malicious DHCP server could potentially use this flaw to crash dhclient processes running on DHCP client machines via a crafted DHCP response packet. (CVE-2018-5732)

Impact

An attacker can cause a denial of service (DoS) of DHCP functionality on the F5 product management interface.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K08306700.

See Also

https://support.f5.com/csp/article/K08306700

Plugin Details

Severity: Medium

ID: 118625

File Name: f5_bigip_SOL08306700.nasl

Version: 1.6

Type: local

Published: 2018/11/02

Updated: 2019/11/12

Dependencies: 76940

Configuration: Enable paranoid mode

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

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

CVSS v3.0

Base Score: 7.5

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

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, Settings/ParanoidReport

Patch Publication Date: 2018/03/19

Vulnerability Publication Date: 2019/10/09

Reference Information

CVE: CVE-2018-5732