Vulnerability Description
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 of the TSIG time and fudge values was found in AXFRRetriever, leading to a possible replay attack.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Powerdns | Authoritative | < 3.4.11 |
| Powerdns | Recursor | < 3.7.4 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7073Issue TrackingThird Party Advisory
- https://doc.powerdns.com/md/security/powerdns-advisory-2016-04/Vendor Advisory
- https://www.debian.org/security/2017/dsa-3764Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7073Issue TrackingThird Party Advisory
- https://doc.powerdns.com/md/security/powerdns-advisory-2016-04/Vendor Advisory
- https://www.debian.org/security/2017/dsa-3764Third Party Advisory
FAQ
What is CVE-2016-7073?
CVE-2016-7073 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 insuff...
How severe is CVE-2016-7073?
CVE-2016-7073 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-7073?
Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Authoritative, Powerdns Recursor, Debian Debian Linux.