Resource exhaustion in PowerDNS



Published: 2019-11-22 | Updated: 2020-07-28
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-10203
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		PowerDNS
Server applications / DNS servers

Vendor PowerDNS.COM B.V.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU32013

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-10203

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

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

CPE2.3 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?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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