SB2020050508 - Information disclosure in F5 BIG-IP ASM



SB2020050508 - Information disclosure in F5 BIG-IP ASM

Published: May 5, 2020

Security Bulletin ID SB2020050508
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Missing Encryption of Sensitive Data (CVE-ID: CVE-2020-5879)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the BIG-IP system, under certain configurations, sends data plane traffic to back-end servers unencrypted, even when a Server SSL profile is applied. A remote attacker can gain unauthorized access to sensitive information on the system.

The requests affected by this vulnerability are processed by a virtual server associated with a DoS profile that has a CAPTCHA challenge configured.


Remediation

Install update from vendor's website.