SB2016090608 - Resource management error in PowerDNS Recursor



SB2016090608 - Resource management error in PowerDNS Recursor

Published: September 6, 2016 Updated: June 21, 2025

Security Bulletin ID SB2016090608
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) Resource management error (CVE-ID: CVE-2014-8601)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers to cause a denial of service ("performance degradations") via a large or infinite number of referrals, as demonstrated by resolving domains hosted by ezdns.it.


Remediation

Install update from vendor's website.