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F5 Networks BIG-IP : BIG-IP Client SSL vulnerability (K43121447)

high Nessus Plugin ID 118660

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Synopsis

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

Description

Attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. Client certificate authentication is not enabled by default in Client SSL profile. There is no control plane exposure. (CVE-2018-5502)

Impact

The BIG-IP system may temporarily fail to process traffic as it recovers from a Traffic Management Microkernel (TMM) restart, and devices configured as a high-availability (HA) pair may fail over.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K43121447.

See Also

https://my.f5.com/manage/s/article/K43121447

Plugin Details

Severity: High

ID: 118660

File Name: f5_bigip_SOL43121447.nasl

Version: 1.6

Type: local

Published: 11/2/2018

Updated: 11/2/2023

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-2018-5502

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_domain_name_system, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_local_traffic_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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/21/2018

Vulnerability Publication Date: 3/22/2018

Reference Information

CVE: CVE-2018-5502