SB2023020635 - Denial of service in BIG-IP Virtual Edition FastL4 profile



SB2023020635 - Denial of service in BIG-IP Virtual Edition FastL4 profile

Published: February 6, 2023

Security Bulletin ID SB2023020635
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Initialization (CVE-ID: CVE-2023-23555)

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

The vulnerability exists due to improper initialization when FastL4 profile is configured on a virtual server in BIG-IP Virtual Edition. A remote attacker can send specially crafted traffic to the device and cause the TMM process to crash.


Remediation

Install update from vendor's website.