Resource exhaustion in PowerDNS - CVE-2019-10203
Published: November 22, 2019 / Updated: July 28, 2020
Vulnerability identifier: #VU32013
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-10203
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PowerDNS.COM B.V.
Affected software:
PowerDNS
PowerDNS
Detailed vulnerability 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.
How to mitigate CVE-2019-10203
Install update from vendor's website.