SB2020082605 - Denial of service when processing RADIUS authentication requests in BIG-IP APM



SB2020082605 - Denial of service when processing RADIUS authentication requests in BIG-IP APM

Published: August 26, 2020

Security Bulletin ID SB2020082605
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) Memory leak (CVE-ID: CVE-2020-5924)

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

The vulnerability exists due memory leak during RADIUS authentication, when username is not set. A remote attacker can send specially crafted request to the device and consume excessive memory resources.


Remediation

Install update from vendor's website.