SB2020020605 - Denial of service in F5 BIG-IP TMM AWS

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Main Vulnerability Database SB2020020605

SB2020020605 - Denial of service in F5 BIG-IP TMM AWS

Published: February 6, 2020

Security Bulletin ID SB2020020605
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2020-5856)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input while processing specifically crafted traffic using the default "xnet" driver. A remote attacker can cause the Traffic Management Microkernel (TMM) process to restart and perform a denial-of-service attack on the BIG-IP Virtual Edition (VE) system hosted in Amazon Web Services (AWS).


Remediation

Install update from vendor's website.

References