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F5 Networks BIG-IP : BIG-IP APM VDI plugin vulnerability (K73657294)

medium Nessus Plugin ID 144356

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Synopsis

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

Description

Under certain conditions, the VDI plugin does not observe plugin flow-control protocol causing excessive resource consumption.(CVE-2020-27722)

Impact

This affects only a BIG-IP APM virtual server configured with a Virtual Desktop Infrastructure(VDI) profile. Your BIG-IP system affected by this vulnerability may consume excessive resources when processing VDI traffic,resulting in Traffic Management Microkernel (TMM) restarting and generating a core file in some cases andleading to disruption in traffic processing.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K73657294.

See Also

https://my.f5.com/manage/s/article/K73657294

Plugin Details

Severity: Medium

ID: 144356

File Name: f5_bigip_SOL73657294.nasl

Version: 1.6

Type: local

Published: 12/17/2020

Updated: 11/3/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

CVSS Score Source: CVE-2020-27722

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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: 12/16/2020

Vulnerability Publication Date: 12/24/2020

Reference Information

CVE: CVE-2020-27722

IAVA: 2021-A-0004-S