Vulnerabilities > CVE-2017-15091 - Improperly Implemented Security Check for Standard vulnerability in Powerdns Authoritative
Attack vector
NETWORK Attack complexity
LOW Privileges required
SINGLE Confidentiality impact
NONE Integrity impact
PARTIAL Availability impact
PARTIAL Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family DNS NASL id POWERDNS_AUTHORITATIVE_4_0_5.NASL description According to its self-reported version number, the version of the PowerDNS Authoritative listening on the remote host is prior to 4.0.5. It is, therefore, affected by a vulnerability in the API where a remote authenticated attacker can perform operations that affect the server state even if the api-readonly configuration is enabled. Note that Nessus has not attempted to exploit these issues but has instead relied only on the application last seen 2020-06-01 modified 2020-06-02 plugin id 106192 published 2018-01-19 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/106192 title PowerDNS Authoritative < 4.0.5 Read Only Configuration Bypass (CVE-2017-15091) NASL family SuSE Local Security Checks NASL id OPENSUSE-2017-1340.NASL description This update for pdns fixes the following issues : Security issue fixed : - CVE-2017-15091: An issue has been found in the API component of PowerDNS Authoritative, 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. This missing check allows an attacker with valid API credentials could flush the cache, trigger a zone transfer or send a NOTIFY (boo#1069242). last seen 2020-06-05 modified 2017-12-14 plugin id 105230 published 2017-12-14 reporter This script is Copyright (C) 2017-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/105230 title openSUSE Security Update : pdns (openSUSE-2017-1340)