SB2017110602 - Denial of service in F5 BIG-IP



SB2017110602 - Denial of service in F5 BIG-IP

Published: November 6, 2017 Updated: December 4, 2017

Security Bulletin ID SB2017110602
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Double free error (CVE-ID: CVE-2017-6166)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to double free error when handling a user-supplied input. A remote attacker can send specially crafted fragmented data, trigger a double-free memory error in the Traffic Management Microkernel (TMM) and cause the TMM to crash, interrupting traffic processing while the TMM restarts.

Successful exploitation of the vulnerability results in denial of service.


Remediation

Install update from vendor's website.