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

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2009-12-09T00:00:00

Updated: 2024-08-07T06:31:10.550Z

Reserved: 2009-10-05T00:00:00

Link: CVE-2009-3563

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-12-09T18:30:00.390

Modified: 2024-11-21T01:07:40.913

Link: CVE-2009-3563

cve-icon Redhat

Severity : Moderate

Publid Date: 2009-12-08T00:00:00Z

Links: CVE-2009-3563 - Bugzilla