CVE-2016-7074: Input Validation
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.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2016-7074?
CVE-2016-7074 is a vulnerability 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 due to insufficient validation of TSIG signatures.
How does CVE-2016-7074 affect PowerDNS?
CVE-2016-7074 allows an attacker in a man-in-the-middle position to modify the content of an AXFR in PowerDNS due to inadequate validation of TSIG signatures.
What is the severity of CVE-2016-7074?
CVE-2016-7074 has a severity level of medium with a CVSS score of 5.9.
Which versions of PowerDNS are affected by CVE-2016-7074?
PowerDNS versions before 3.4.11 and 4.0.2, and PowerDNS recursor before 4.0.4 are affected by CVE-2016-7074.
How can I fix CVE-2016-7074 in PowerDNS?
To fix CVE-2016-7074, you should upgrade PowerDNS to version 3.4.11 or 4.0.2, and PowerDNS recursor to version 4.0.4.