SB2021031106 - Denial of service in BIG-IP ASM iControl REST



SB2021031106 - Denial of service in BIG-IP ASM iControl REST

Published: March 11, 2021

Security Bulletin ID SB2021031106
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) Resource exhaustion (CVE-ID: CVE-2021-23001)

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

The vulnerability exists due to the upload functionality in BIG-IP ASM allows an authenticated user to upload files to the BIG-IP system using a call to an undisclosed iControl REST endpoint. A remote authenticated user can upload large files to the system, consume all available disk space and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.