First published: Tue Nov 14 2006(Updated: )
PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a CNAME record with a zero TTL, which triggers an infinite loop.
Credit: security@debian.org
Affected Software | Affected Version | How to fix |
---|---|---|
PowerDNS | =3.1 | |
PowerDNS | =2.9.18 | |
PowerDNS | =2.0_rc1 | |
PowerDNS | =3.1.2 | |
PowerDNS | =3.0 | |
PowerDNS | <=3.1.3 | |
PowerDNS | =2.9.15 | |
PowerDNS | =3.1.1 | |
PowerDNS | =3.0.1 | |
PowerDNS | =2.9.17 | |
PowerDNS | =2.8 | |
PowerDNS | =2.9.16 |
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
CVE-2006-4252 is classified as a high severity vulnerability that can lead to denial of service.
To mitigate CVE-2006-4252, update PowerDNS Recursor to version 3.1.4 or later.
CVE-2006-4252 allows remote attackers to exploit a CNAME record with a zero TTL, causing resource exhaustion and application crashes.
CVE-2006-4252 affects PowerDNS Recursor versions up to and including 3.1.3 and several earlier versions.
Exploiting CVE-2006-4252 can result in an infinite loop leading to application crashes and denial of service.