Related Vulnerabilities: CVE-2016-7074  

An issue has been found in PowerDNS Authoritative Server and PowerDNS Recursor allowing an attacker in position of man-in-the-middle to alter the content of an AXFR because of insufficient validation of TSIG signatures. A missing check that the TSIG record is the last one, leading to the possibility of parsing records that are not covered by the TSIG signature.

Severity Medium

Remote Yes

Type Insufficient validation

Description

An issue has been found in PowerDNS Authoritative Server and PowerDNS Recursor allowing an attacker in position of man-in-the-middle to alter the content of an AXFR because of insufficient validation of TSIG signatures. A missing check that the TSIG record is the last one, leading to the possibility of parsing records that are not covered by the TSIG signature.

AVG-148 powerdns-recursor 4.0.3-7 4.0.4-1 Medium Fixed

AVG-147 powerdns 4.0.1-7 4.0.2-1 Medium Fixed

19 Jan 2017 ASA-201701-30 AVG-148 powerdns-recursor Medium multiple issues

19 Jan 2017 ASA-201701-29 AVG-147 powerdns Medium multiple issues

http://seclists.org/oss-sec/2017/q1/97
https://doc.powerdns.com/md/security/powerdns-advisory-2016-04/

PowerDNS Authoritative Server up to and including 3.4.10 and 4.0.1 are affected. PowerDNS Recursor from 4.0.0 up to and including 4.0.3 are affected.