CVE-2016-7074: Input Validation
First published: Tue Sep 11 2018(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PowerDNS Authoritative | <3.4.11 | |
| PowerDNS Authoritative | >=4.0.0<4.0.2 | |
| PowerDNS Recursor | <4.0.4 | |
| Debian Debian Linux | =8.0 | |
| debian/pdns | 4.1.6-3+deb10u1 4.4.1-1 4.7.3-2 4.8.3-1 4.8.3-2 | |
| debian/pdns-recursor | 4.1.11-1+deb10u1 4.4.2-3 4.8.4-1 4.9.1-3 4.9.1-4 |
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Reference Links
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.
- collector/security-tracker-debian
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/references
- agent/severity
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/powerdns
- canonical/powerdns authoritative
- version/powerdns authoritative/4.0.0
- canonical/powerdns recursor
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0