#VU9438 Improper access control in PowerDNS Authoritative - CVE-2017-15091

Vulnerability identifier: #VU9438

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2017-15091

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
PowerDNS Authoritative

Software vendor:
PowerDNS.COM B.V.

The vulnerability allows a remote attacker to modify arbitrary data on the target system.

The weakness exists due to insufficient validation of the API component of PowerDNS Authoritative. A remote attacker with valid API credentials can configure the API as read-only via the api-readonly keyword, flush the cache, trigger a zone transfer or send a NOTIFY.

Update PowerDNS Authoritative to version 4.0.5.

• https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2017-04.html