Insufficient Validation of TSIG Signatures in PowerDNS

CVE-2016-7074 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:P/A:N

An issue has been found in PowerDNS before 3.4.11 and 4.0.2, and PowerDNS recursor before 4.0.4, 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.

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