DSA-2385-1 pdns -- packet loop

Debian Security Advisory

DSA-2385-1 pdns -- packet loop

Date Reported:

10 Jan 2012

Affected Packages:

pdns

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2012-0206.

More information:

Ray Morris discovered that the PowerDNS authoritative server responds to response packets. An attacker who can spoof the source address of IP packets can cause an endless packet loop between a PowerDNS authoritative server and another DNS server, leading to a denial of service.

For the oldstable distribution (lenny), this problem has been fixed in version 2.9.21.2-1+lenny1.

For the stable distribution (squeeze), this problem has been fixed in version 2.9.22-8+squeeze1.

For the testing distribution (wheezy) and the unstable distribution (sid), this problem will be fixed soon.

We recommend that you upgrade your pdns packages.