SB2020102613 - Denial of service in HashiCorp Consul



SB2020102613 - Denial of service in HashiCorp Consul

Published: October 26, 2020

Security Bulletin ID SB2020102613
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-2020-25201)

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

The vulnerability exists due to issues with the namespace replication logic. A remote authenticated attacker can write a malicious config entry that causes infinite raft and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.