This security bulletin contains one medium risk vulnerability.
CWE-200 - Information Exposure
Exploit availability: NoDescription
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote 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.Mitigation
Install updates from vendor's website.Vulnerable software versions
PowerDNS Authoritative: 4.0.0 - 4.0.9, 4.1.0 - 4.1.13, 4.2.0 - 4.2.2, 4.3.0
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.