SB2024081518 - Remote denial of service in F5 BIG-IP HSB



SB2024081518 - Remote denial of service in F5 BIG-IP HSB

Published: August 15, 2024

Security Bulletin ID SB2024081518
CSH 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 vulnerability.


1) Input validation error (CVE-ID: CVE-2024-39778)

CWE-ID: CWE-20 - Improper input validation

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


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 when a stateless virtual server is configured on a BIG-IP system with a High-Speed Bridge (HSB). A remote attacker can send specially crafted requests to the Traffic Management Microkernel (TMM) module and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.