#VU33441 Resource exhaustion - CVE-2019-10163
Published: July 31, 2019 / Updated: August 4, 2020
Vulnerability identifier: #VU33441
Vulnerability risk: Low
CVSSv4.0: 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-2019-10163
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Software vendor:
Description
The vulnerability allows a remote authenticated user to perform service disruption.
A Vulnerability has been found in PowerDNS Authoritative Server before versions 4.1.9, 4.0.8 allowing a remote, authorized master server to cause a high CPU load or even prevent any further updates to any slave zone by sending a large number of NOTIFY messages. Note that only servers configured as slaves are affected by this issue.
Remediation
Install update from vendor's website.
External links
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00036.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00054.html
- https://blog.powerdns.com/2019/06/21/powerdns-authoritative-server-4-0-8-and-4-1-10-released/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10163
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-05.html