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CVE-2009-3563 Details

Description

ntp_request.c in ntpd in NTP before 4.2.4p8, and 4.2.5, allows remote attackers to cause a denial of service (CPU and bandwidth consumption) by using MODE_PRIVATE to send a spoofed (1) request or (2) response packet that triggers a continuous exchange of MODE_PRIVATE error responses between two NTP daemons.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-005.txt.asc	CVE
http://aix.software.ibm.com/aix/efixes/security/xntpd_advisory.asc	CVE
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560074	CVE
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673	CVE
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10691	CVE
http://lists.vmware.com/pipermail/security-announce/2010/000082.html	CVE
http://marc.info/?l=bugtraq&m=130168580504508&w=2	CVE
http://marc.info/?l=bugtraq&m=136482797910018&w=2	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=531213	CVE
http://secunia.com/advisories/37629	CVE
http://secunia.com/advisories/37922	CVE
http://secunia.com/advisories/38764	CVE
http://secunia.com/advisories/38794	CVE
http://secunia.com/advisories/38832	CVE
http://secunia.com/advisories/38834	CVE
http://secunia.com/advisories/39593	CVE
http://securitytracker.com/id?1023298	CVE
http://security-tracker.debian.org/tracker/CVE-2009-3563	CVE
https://lists.ntp.org/pipermail/announce/2009-December/000086.html	CVE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11225	CVE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12141	CVE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19376	CVE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7076	CVE
https://rhn.redhat.com/errata/RHSA-2009-1648.html	CVE
https://rhn.redhat.com/errata/RHSA-2009-1651.html	CVE
https://rhn.redhat.com/errata/RHSA-2010-0095.html	CVE
https://support.ntp.org/bugs/show_bug.cgi?id=1331	CVE
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021781.1-1	CVE
http://support.avaya.com/css/P8/documents/100071808	CVE
http://support.ntp.org/bin/view/Main/SecurityNotice#DoS_attack_from_certain_NTP_mode	CVE	Patch
https://www.kb.cert.org/vuls/id/417980	CVE
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00763.html	CVE
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00809.html	CVE
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ68659	CVE
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ71047	CVE
http://www.debian.org/security/2009/dsa-1948	CVE	Patch
http://www.kb.cert.org/vuls/id/568372	CVE	PatchUS Government Resource
http://www.kb.cert.org/vuls/id/MAPG-7X7V6J	CVE
http://www.kb.cert.org/vuls/id/MAPG-7X7VD7	CVE
http://www.securityfocus.com/bid/37255	CVE	Patch
http://www.vupen.com/english/advisories/2010/0510	CVE
http://www.vupen.com/english/advisories/2010/0528	CVE
http://www.vupen.com/english/advisories/2010/0993	CVE
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-005.txt.asc	[email protected]
http://aix.software.ibm.com/aix/efixes/security/xntpd_advisory.asc	[email protected]
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560074	[email protected]
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673	[email protected]
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10691	[email protected]
http://lists.vmware.com/pipermail/security-announce/2010/000082.html	[email protected]
http://marc.info/?l=bugtraq&m=130168580504508&w=2	[email protected]
http://marc.info/?l=bugtraq&m=136482797910018&w=2	[email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=531213	[email protected]
http://secunia.com/advisories/37629	[email protected]
http://secunia.com/advisories/37922	[email protected]
http://secunia.com/advisories/38764	[email protected]
http://secunia.com/advisories/38794	[email protected]
http://secunia.com/advisories/38832	[email protected]
http://secunia.com/advisories/38834	[email protected]
http://secunia.com/advisories/39593	[email protected]
http://securitytracker.com/id?1023298	[email protected]
http://security-tracker.debian.org/tracker/CVE-2009-3563	[email protected]
https://lists.ntp.org/pipermail/announce/2009-December/000086.html	[email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11225	[email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12141	[email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19376	[email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7076	[email protected]
https://rhn.redhat.com/errata/RHSA-2009-1648.html	[email protected]
https://rhn.redhat.com/errata/RHSA-2009-1651.html	[email protected]
https://rhn.redhat.com/errata/RHSA-2010-0095.html	[email protected]
https://support.ntp.org/bugs/show_bug.cgi?id=1331	[email protected]
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021781.1-1	[email protected]
http://support.avaya.com/css/P8/documents/100071808	[email protected]
http://support.ntp.org/bin/view/Main/SecurityNotice#DoS_attack_from_certain_NTP_mode	[email protected]	Patch
https://www.kb.cert.org/vuls/id/417980	[email protected]
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00763.html	[email protected]
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00809.html	[email protected]
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ68659	[email protected]
http://www-01.ibm.com/support/docview.wss?uid=isg1IZ71047	[email protected]
http://www.debian.org/security/2009/dsa-1948	[email protected]	Patch
http://www.kb.cert.org/vuls/id/568372	[email protected]	PatchUS Government Resource
http://www.kb.cert.org/vuls/id/MAPG-7X7V6J	[email protected]
http://www.kb.cert.org/vuls/id/MAPG-7X7VD7	[email protected]
http://www.securityfocus.com/bid/37255	[email protected]	Patch
http://www.vupen.com/english/advisories/2010/0510	[email protected]
http://www.vupen.com/english/advisories/2010/0528	[email protected]
http://www.vupen.com/english/advisories/2010/0993	[email protected]

see all 86 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-Other	Weakness Not in a Standard CWE Category	[email protected]

Affected Products

Product	Versions
ntp ntp	<= 4.2.2p4 4.0.72 4.0.73 4.0.90 4.0.91
CPE cpe:2.3:a:ntp:ntp:::::::: cpe:2.3:a:ntp:ntp:4.0.72:::::::* cpe:2.3:a:ntp:ntp:4.0.73:::::::* cpe:2.3:a:ntp:ntp:4.0.90:::::::* cpe:2.3:a:ntp:ntp:4.0.91:::::::* cpe:2.3:a:ntp:ntp:4.0.92:::::::* cpe:2.3:a:ntp:ntp:4.0.93:::::::* cpe:2.3:a:ntp:ntp:4.0.94:::::::* cpe:2.3:a:ntp:ntp:4.0.95:::::::* cpe:2.3:a:ntp:ntp:4.0.96:::::::* cpe:2.3:a:ntp:ntp:4.0.97:::::::* cpe:2.3:a:ntp:ntp:4.0.98:::::::* cpe:2.3:a:ntp:ntp:4.0.99:::::::* cpe:2.3:a:ntp:ntp:4.1.0:::::::* cpe:2.3:a:ntp:ntp:4.1.2:::::::* cpe:2.3:a:ntp:ntp:4.2.0:::::::* cpe:2.3:a:ntp:ntp:4.2.2:::::::* cpe:2.3:a:ntp:ntp:4.2.2p1:::::::* cpe:2.3:a:ntp:ntp:4.2.2p2:::::::* cpe:2.3:a:ntp:ntp:4.2.2p3:::::::* cpe:2.3:a:ntp:ntp:4.2.5:::::::* Remediation No remediation found in references.

Product

Versions

ntp ntp

<= 4.2.2p4

4.0.72

4.0.73

4.0.90

4.0.91

CPE

cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.72:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.73:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.90:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.91:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.92:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.93:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.94:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.95:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.96:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.97:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.98:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.99:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.2p1:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.2p2:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.2p3:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 23, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Mar 19, 2024	CVE Modified	[email protected]
Sep 19, 2017	CVE Modified	[email protected]
Dec 8, 2016	CVE Modified	[email protected]
Aug 23, 2016	CVE Modified	[email protected]
Dec 10, 2009	Initial Analysis	[email protected]