First published: Wed Dec 10 2014(Updated: )
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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Debian GNU/Linux | =7.0 | |
PowerDNS | <=3.6.1 |
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
CVE-2014-8601 is classified as a high severity vulnerability due to its potential to cause denial of service by degrading performance.
To fix CVE-2014-8601, upgrade PowerDNS Recursor to version 3.6.2 or later.
CVE-2014-8601 allows remote attackers to cause performance degradation through excessive delegation chaining.
CVE-2014-8601 affects all versions of PowerDNS Recursor prior to 3.6.2.
Systems running Debian Linux 7.0 and PowerDNS Recursor versions up to and including 3.6.1 are vulnerable to CVE-2014-8601.