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PowerDNS Authoritative Server Information Disclosure Vulnerability (2020-05)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
PowerDNS Authoritative Server is prone to an information disclosure vulnerability.
Insight
Insight
An issue has been found in PowerDNS Authoritative Server where an authorized user with the ability to insert crafted records into a zone might be able to leak the content of uninitialized memory. Such a user could be a customer inserting data via a control panel, or somebody with access to the REST API. Crafted records cannot be inserted via AXFR.
Affected Software
Affected Software
PowerDNS Authoritative prior to version 4.1.14, version 4.2.x prior to 4.2.3 and version 4.3.0.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 4.1.14, 4.2.3, 4.3.1 or later.