#VU32013 Resource exhaustion in PowerDNS


Published: 2019-11-22 | Updated: 2020-07-28

Vulnerability identifier: #VU32013

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-10203

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PowerDNS
Server applications / DNS servers

Vendor: PowerDNS.COM B.V.

Description

The vulnerability allows a remote authenticated user to perform service disruption.

PowerDNS Authoritative daemon , pdns versions 4.0.x before 4.0.9, 4.1.x before 4.1.11, exiting when encountering a serial between 2^31 and 2^32-1 while trying to notify a slave leads to DoS.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PowerDNS: 4.0.0 - 4.1.10


External links
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10203
http://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-06.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability