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Debian Security Advisory DSA 4063-1 (pdns-recursor - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Toshifumi Sakaguchi discovered that PowerDNS Recursor, a high-performance resolving name server was susceptible to denial of service via a crafted CNAME answer. The oldstable distribution (jessie) is not affected.
Affected Software
Affected Software
pdns-recursor on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (stretch), this problem has been fixed in version 4.0.4-1+deb9u3. We recommend that you upgrade your pdns-recursor packages. For the detailed security status of pdns-recursor please refer to its security tracker page linked in the references.