CVE-2017-15091: High severity powerdns vulnerability
An issue has been found in the API component of PowerDNS Authoritative 4.x up to and including 4.0.4 and 3.x up to and including 3.4.11, where some operations that have an impact on the state of the server are still allowed even though the API has been configured as read-only via the api-readonly keyword. This missing check allows an attacker with valid API credentials to flush the cache, trigger a zone transfer or send a NOTIFY.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2017-15091?
CVE-2017-15091 is an issue found in the API component of PowerDNS Authoritative 4.x up to and including 4.0.4 and 3.x up to and including 3.4.11.
What is the severity of CVE-2017-15091?
The severity of CVE-2017-15091 is high, with a severity value of 7.1.
How does CVE-2017-15091 affect PowerDNS Authoritative?
CVE-2017-15091 allows some operations that impact the state of the server to be allowed even when the API is configured as read-only.
How can I fix CVE-2017-15091?
To fix CVE-2017-15091, it is recommended to upgrade PowerDNS Authoritative to version 3.4.12 or higher for 3.x, and version 4.0.5 or higher for 4.x.
Where can I find more information about CVE-2017-15091?
More information about CVE-2017-15091 can be found at the following references: [SecurityFocus](http://www.securityfocus.com/bid/101982) and [PowerDNS Advisory](https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2017-04.html).