National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-3563 Detail

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.

Source:  MITRE
Description Last Modified:  12/09/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.4 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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

References to Check Content

Identifier:
oval:org.mitre.oval:def:11225
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:11225
Identifier:
oval:org.mitre.oval:def:12141
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:12141
Identifier:
oval:org.mitre.oval:def:7076
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:7076

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-3563
NVD Published Date:
12/09/2009
NVD Last Modified:
09/18/2017