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

Vulnerability identifier: #VU9438

CSH Severity: Low

CVSS v4: 6.3 [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]

CVE-ID: CVE-2017-15091

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

PowerDNS Authoritative
Arch Linux
Fedora
pdns (Alpine package)
pdns

Update PowerDNS Authoritative to version 4.0.5.

pdns (Alpine package) - update to 4.0.5-r0
pdns - addressed in versions 3.4.11-4.el7, 4.1.0-1.fc27

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

• Arch Linux update for powerdns
• Multiple vulnerabilities in PowerDNS Recursor and Authoritative
• Improper access control in pdns (Alpine package)
• Fedora 27 update for pdns
• Fedora EPEL 7 update for pdns