CVE-2009-3563

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Summary

CVECVE-2009-3563
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-12-09 18:30:00 UTC
Updated2026-04-23 00:35:47 UTC
Descriptionntp_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.

Risk And Classification

Primary CVSS: v2.0 6.4 from [email protected]

AV:N/AC:L/Au:N/C:N/I:P/A:P

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ntp Ntp 4.0.72 All All All
Application Ntp Ntp 4.0.73 All All All
Application Ntp Ntp 4.0.90 All All All
Application Ntp Ntp 4.0.91 All All All
Application Ntp Ntp 4.0.92 All All All
Application Ntp Ntp 4.0.93 All All All
Application Ntp Ntp 4.0.94 All All All
Application Ntp Ntp 4.0.95 All All All
Application Ntp Ntp 4.0.96 All All All
Application Ntp Ntp 4.0.97 All All All
Application Ntp Ntp 4.0.98 All All All
Application Ntp Ntp 4.0.99 All All All
Application Ntp Ntp 4.1.0 All All All
Application Ntp Ntp 4.1.2 All All All
Application Ntp Ntp 4.2.0 All All All
Application Ntp Ntp 4.2.2 All All All
Application Ntp Ntp 4.2.2p1 All All All
Application Ntp Ntp 4.2.2p2 All All All
Application Ntp Ntp 4.2.2p3 All All All
Application Ntp Ntp 4.2.5 All All All
Application Ntp Ntp All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
VMware ESX Server Multiple Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
sunsolve.sun.com/search/document.do af854a3a-2127-422b-91ae-364da2661108 sunsolve.sun.com
aix.software.ibm.com/aix/efixes/security/xntpd_advisory.asc af854a3a-2127-422b-91ae-364da2661108 aix.software.ibm.com
VMware vMA Update for Multiple Packages - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-005.txt.asc af854a3a-2127-422b-91ae-364da2661108 ftp.netbsd.org
ASA-2009-591 (RHSA-2009-1648) af854a3a-2127-422b-91ae-364da2661108 support.avaya.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
NTP Mode 7 Request Denial of Service - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Juniper Networks - 2015-04 Security Bulletin: IDP: Multiple vulnerabilities addressed by third party software updates. af854a3a-2127-422b-91ae-364da2661108 kb.juniper.net
NTP mode 7 MODE_PRIVATE Packet Remote Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Patch
Debian -- Security Information -- DSA-1948-1 ntp af854a3a-2127-422b-91ae-364da2661108 www.debian.org Patch
'[security bulletin] HPSBUX02859 SSRT101144 rev.1 - HP-UX Running XNTP, Remote Denial of Service (DoS' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
US-CERT Vulnerability Note VU#568372 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org Patch, US Government Resource
Cisco Systems, Inc. Information for VU#568372 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org
IBM IZ68659: NTP MODE 7 VULNERABILITY IN AIX 5.3 /AIX 6.1 APPLIES TO AIX 5300-08 - United States af854a3a-2127-422b-91ae-364da2661108 www-01.ibm.com
Bug 1331 – DoS with mode 7 packets (CVE-2009-3563) af854a3a-2127-422b-91ae-364da2661108 support.ntp.org
CVE-2009-3563 af854a3a-2127-422b-91ae-364da2661108 security-tracker.debian.org
'[security bulletin] HPSBUX02639 SSRT100293 rev.1 - HP-UX Running XNTP, Remote Denial of Service (DoS' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
531213 – (CVE-2009-3563) CVE-2009-3563 ntpd: DoS with mode 7 packets (VU#568372) af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
www.kb.cert.org/vuls/id/417980 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Avaya Products Two Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
[Security-announce] VMSA-2010-0004 ESX Service Console and vMA third party updates af854a3a-2127-422b-91ae-364da2661108 lists.vmware.com
[SECURITY] Fedora 10 Update: ntp-4.2.4p7-2.fc10 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
IBM AIX NTP Mode 7 Request Denial of Service - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
IBM notice: The page you requested cannot be displayed af854a3a-2127-422b-91ae-364da2661108 www-01.ibm.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
VMware ESX Server 4 Multiple Vulnerabilities - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
NetBSD update for ntp - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
[SECURITY] Fedora 11 Update: ntp-4.2.4p7-3.fc11 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
SecurityTracker.com Archives - NTP Mode 7 Packet Processing Flaw Lets Remote Users Deny Service af854a3a-2127-422b-91ae-364da2661108 securitytracker.com
[ntp:announce] NTP 4.2.4p8 Released af854a3a-2127-422b-91ae-364da2661108 lists.ntp.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
access.redhat.com af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
#560074 - ntp: CVE-2009-3563 DoS through mode 7 packets - Debian Bug report logs af854a3a-2127-422b-91ae-364da2661108 bugs.debian.org
SecurityNotice < Main < NTP af854a3a-2127-422b-91ae-364da2661108 support.ntp.org Patch
2015-07 Security Bulletin: CTPView: Multiple vulnerabilities in CTPView - Juniper Networks af854a3a-2127-422b-91ae-364da2661108 kb.juniper.net
QNX Software Systems Inc. Information for VU#568372 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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