Arch Linux update for powerdns

1) Improper access control

EUVDB-ID: #VU9438

Risk: Low

CVSSv3.1: 3.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-15091

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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.

Mitigation

Update the affected package powerdns to version 4.0.5-1.

Vulnerable software versions

Arch Linux: All versions

External links

http://security.archlinux.org/advisory/ASA-201711-30

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.