SB2020090382 - Denial of service in Cloud Foundry Routing (Gorouter) and CF Deployment



SB2020090382 - Denial of service in Cloud Foundry Routing (Gorouter) and CF Deployment

Published: September 3, 2020 Updated: September 11, 2020

Security Bulletin ID SB2020090382
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) Input validation error (CVE-ID: CVE-2020-5420)

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote authenticated attacker with "cf push" access can push an app that returns specially crafted HTTP responses and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.