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Test ID:1.3.6.1.4.1.25623.1.0.144214
Category:General
Title:PowerDNS Recursor < 4.1.17, 4.2.0 < 4.2.3, 4.3.0 < 4.3.2 Access Restriction Bypass Vulnerability
Summary:PowerDNS Recursor is prone to an access restriction bypass vulnerability.
Description:Summary:
PowerDNS Recursor is prone to an access restriction bypass vulnerability.

Vulnerability Insight:
An issue has been found in PowerDNS Recursor where the ACL applied to
the internal web server via webserver-allow-from is not properly enforced, allowing a remote attacker to
send HTTP queries to the internal web server, bypassing the restriction.

In the default configuration the API webserver is not enabled. Only installations using a non-default
value for webserver and webserver-address are affected.

Affected Software/OS:
PowerDNS Recursor 4.1.16 and prior, 4.2.0 - 4.2.2 and 4.3.0 - 4.3.1.

Solution:
Update to version 4.1.17, 4.2.3, 4.3.2 or later.

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-14196
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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