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F5 Networks BIG-IP : BIG-IP APM SAML SLO vulnerability (K44808538)

medium Nessus Plugin ID 142049

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Synopsis

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

Description

The version of F5 Networks BIG-IP installed on the remote host is prior to 13.1.3.4 / 14.1.2.4 / 15.1.1 / 16.0.0. It is, therefore, affected by a vulnerability as referenced in the K44808538 advisory.

 - On BIG-IP APM 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3, when multiple HTTP requests from the same client to configured SAML Single Logout (SLO) URL are passing through a TCP Keep-Alive connection, traffic to TMM can be disrupted. (CVE-2020-5934)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K44808538.

See Also

https://my.f5.com/manage/s/article/K44808538

Plugin Details

Severity: Medium

ID: 142049

File Name: f5_bigip_SOL44808538.nasl

Version: 1.5

Type: local

Published: 10/29/2020

Updated: 1/12/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

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

CVSS Score Source: CVE-2020-5934

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:A/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:/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: 10/28/2020

Vulnerability Publication Date: 10/29/2020

Reference Information

CVE: CVE-2020-5934