CVE-2009-3563
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:P/A:P
6.8 Medium
AI Score
Confidence
High
0.965 High
EPSS
Percentile
99.6%
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.
Affected configurations
References
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-005.txt.asc
aix.software.ibm.com/aix/efixes/security/xntpd_advisory.asc
bugs.debian.org/cgi-bin/bugreport.cgi?bug=560074
kb.juniper.net/InfoCenter/index?page=content&id=JSA10673
kb.juniper.net/InfoCenter/index?page=content&id=JSA10691
lists.vmware.com/pipermail/security-announce/2010/000082.html
marc.info/?l=bugtraq&m=130168580504508&w=2
marc.info/?l=bugtraq&m=136482797910018&w=2
secunia.com/advisories/37629
secunia.com/advisories/37922
secunia.com/advisories/38764
secunia.com/advisories/38794
secunia.com/advisories/38832
secunia.com/advisories/38834
secunia.com/advisories/39593
security-tracker.debian.org/tracker/CVE-2009-3563
securitytracker.com/id?1023298
sunsolve.sun.com/search/document.do?assetkey=1-77-1021781.1-1
support.avaya.com/css/P8/documents/100071808
support.ntp.org/bin/view/Main/SecurityNotice#DoS_attack_from_certain_NTP_mode
www-01.ibm.com/support/docview.wss?uid=isg1IZ68659
www-01.ibm.com/support/docview.wss?uid=isg1IZ71047
www.debian.org/security/2009/dsa-1948
www.kb.cert.org/vuls/id/568372
www.kb.cert.org/vuls/id/MAPG-7X7V6J
www.kb.cert.org/vuls/id/MAPG-7X7VD7
www.securityfocus.com/bid/37255
www.vupen.com/english/advisories/2010/0510
www.vupen.com/english/advisories/2010/0528
www.vupen.com/english/advisories/2010/0993
bugzilla.redhat.com/show_bug.cgi?id=531213
lists.ntp.org/pipermail/announce/2009-December/000086.html
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11225
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12141
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19376
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7076
rhn.redhat.com/errata/RHSA-2009-1648.html
rhn.redhat.com/errata/RHSA-2009-1651.html
rhn.redhat.com/errata/RHSA-2010-0095.html
support.ntp.org/bugs/show_bug.cgi?id=1331
www.kb.cert.org/vuls/id/417980
www.redhat.com/archives/fedora-package-announce/2009-December/msg00763.html
www.redhat.com/archives/fedora-package-announce/2009-December/msg00809.html
Related
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:P/A:P
6.8 Medium
AI Score
Confidence
High
0.965 High
EPSS
Percentile
99.6%