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F5 Networks BIG-IP : BIG-IP self IP vulnerability (K05975972)

medium Nessus Plugin ID 139814

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Synopsis

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

Description

Self-IP port-lockdown bypass by way of IPv6 link-local addresses.
(CVE-2020-5923)

Impact

Port lockdowns may be bypassable on accessible self IP addresses on an ipv6 link-local address.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K05975972.

See Also

https://my.f5.com/manage/s/article/K05975972

Plugin Details

Severity: Medium

ID: 139814

File Name: f5_bigip_SOL05975972.nasl

Version: 1.5

Type: local

Published: 8/26/2020

Updated: 11/2/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 3.5

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

CVSS Score Source: CVE-2020-5923

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

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

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_link_controller, cpe:/a:f5:big-ip_local_traffic_manager, 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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/25/2020

Reference Information

CVE: CVE-2020-5923

IAVA: 2020-A-0395-S