CVE-2009-3563
- Source
- https://cve.org/CVERecord?id=CVE-2009-3563
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2009-3563.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2009-3563
- Downstream
- Withdrawn
- 2026-01-27T04:09:58.877076Z
- Published
- 2009-12-09T18:30:00Z
- Modified
- 2026-01-27T04:09:58.877076Z
- Summary
- [none]
- Details
-
ntprequest.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 MODEPRIVATE 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
-
- 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://secunia.com/advisories/37629
- http://secunia.com/advisories/37922
- http://secunia.com/advisories/38764
- http://secunia.com/advisories/38794
- http://secunia.com/advisories/38832
- http://secunia.com/advisories/38834
- http://secunia.com/advisories/39593
- http://www.vupen.com/english/advisories/2010/0510
- http://www.vupen.com/english/advisories/2010/0528
- http://www.vupen.com/english/advisories/2010/0993
- 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
- http://support.ntp.org/bin/view/Main/SecurityNotice#DoS_attack_from_certain_NTP_mode
- http://www.debian.org/security/2009/dsa-1948
- http://www.kb.cert.org/vuls/id/568372
- http://www.securityfocus.com/bid/37255
- https://bugzilla.redhat.com/show_bug.cgi?id=531213
- 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://security-tracker.debian.org/tracker/CVE-2009-3563
- http://securitytracker.com/id?1023298
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021781.1-1
- http://support.avaya.com/css/P8/documents/100071808
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ68659
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ71047
- http://www.kb.cert.org/vuls/id/MAPG-7X7V6J
- http://www.kb.cert.org/vuls/id/MAPG-7X7VD7
- https://lists.ntp.org/pipermail/announce/2009-December/000086.html
- 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://support.ntp.org/bugs/show_bug.cgi?id=1331
- https://www.kb.cert.org/vuls/id/417980
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00763.html
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00809.html