CVE Vulnerabilities

CVE-2018-5502

Improper Certificate Validation

Published: Mar 22, 2018 | Modified: Apr 20, 2018
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

On F5 BIG-IP versions 13.0.0 - 13.1.0.3, 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.

Weakness

The product does not validate, or incorrectly validates, a certificate.

Affected Software

Name Vendor Start Version End Version
Big-ip_access_policy_manager F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_advanced_firewall_manager F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_analytics F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_application_acceleration_manager F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_application_security_manager F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_domain_name_system F5 13.0.0 (including) 13.1.0.4 (including)
Big-ip_edge_gateway F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_global_traffic_manager F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_link_controller F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_local_traffic_manager F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_policy_enforcement_manager F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_webaccelerator F5 13.0.0 (including) 13.1.0.4 (excluding)
Big-ip_websafe F5 1.0.0 (including) 1.0.0 (including)

Potential Mitigations

References