SB2018020705 - Denial of service in F5 BIG-IP PEM



SB2018020705 - Denial of service in F5 BIG-IP PEM

Published: February 7, 2018

Security Bulletin ID SB2018020705
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Denial of service (CVE-ID: CVE-2017-6169)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


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

The weakness exist due to a flaw in the Policy Enforcement Manager (PEM) URL categorization process. A remote attacker can supply specially crafted URLs  disrupt traffic processing or cause the target virtual system to fail.

Remediation

Install update from vendor's website.