SB2017102408 - Security restrictions bypass in F5 BIG-IP



SB2017102408 - Security restrictions bypass in F5 BIG-IP

Published: October 24, 2017

Security Bulletin ID SB2017102408
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security restrictions bypass (CVE-ID: CVE-2017-6145)

The vulnerability allows a remote attacker to gain unauthorized access to the iControl REST API.

The weakness exists in the iControl REST API of multiple F5 BIG-IP systems due to improper validation of cookies when the iControl REST API converts BIGIPAuthCookie authorization cookies to X-F5-Auth-Token tokens.A remote attcker can obtain an expired BIG-IP authentication cookie could exploit this vulnerability to access valid iControl REST tokens, which could be used to access the iControl REST API on a targeted system.

Remediation

Install update from vendor's website.