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CVE-2016-7072 Details

Description

An issue has been found in PowerDNS Authoritative Server before 3.4.11 and 4.0.2 allowing a remote, unauthenticated attacker to cause a denial of service by opening a large number of TCP connections to the web server. If the web server runs out of file descriptors, it triggers an exception and terminates the whole PowerDNS process. While it's more complicated for an unauthorized attacker to make the web server run out of file descriptors since its connection will be closed just after being accepted, it might still be possible.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7072	CVE	Issue TrackingThird Party Advisory
https://doc.powerdns.com/md/security/powerdns-advisory-2016-03/	CVE	Vendor Advisory
https://www.debian.org/security/2017/dsa-3764	CVE	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7072	[email protected]	Issue TrackingThird Party Advisory
https://doc.powerdns.com/md/security/powerdns-advisory-2016-03/	[email protected]	Vendor Advisory
https://www.debian.org/security/2017/dsa-3764	[email protected]	Third Party Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-400	Uncontrolled Resource Consumption	[email protected]
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
powerdns authoritative	< 3.4.11 >= 4.0.0, < 4.0.2
CPE cpe:2.3:a:powerdns:authoritative:::::::: Remediation No remediation found in references.
debian debian linux	8.0
CPE cpe:2.3:o:debian:debian_linux:8.0:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 9, 2019	CVE Modified	[email protected]
Jan 7, 2019	Initial Analysis	[email protected]
Sep 11, 2018	CVE Modified	[email protected]