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Mend.io Vulnerability Database

CVE-2009-3563

Date: December 9, 2009

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.

Severity Score

6.5

Related Resources (46)

Url: http://secunia.com/advisories/37922

Url: http://www.vupen.com/english/advisories/2010/0993

Url: http://secunia.com/advisories/38834

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12141

Url: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10691

Url: http://secunia.com/advisories/37629

Url: http://marc.info/?l=bugtraq&m=130168580504508&w=2

Url: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673

Url: http://support.avaya.com/css/P8/documents/100071808

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19376

Url: http://www.securityfocus.com/bid/37255

Url: http://secunia.com/advisories/38794

Url: https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00809.html

Url: http://secunia.com/advisories/38832

Url: http://www.vupen.com/english/advisories/2010/0510

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7076

Url: https://lists.ntp.org/pipermail/announce/2009-December/000086.html

Url: http://www-01.ibm.com/support/docview.wss?uid=isg1IZ68659

Url: http://secunia.com/advisories/39593

Url: http://www.kb.cert.org/vuls/id/MAPG-7X7VD7

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11225

Url: http://aix.software.ibm.com/aix/efixes/security/xntpd_advisory.asc

Url: http://lists.vmware.com/pipermail/security-announce/2010/000082.html

Url: https://bugzilla.redhat.com/show_bug.cgi?id=531213

Url: https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00763.html

Url: http://marc.info/?l=bugtraq&m=136482797910018&w=2

Url: http://www-01.ibm.com/support/docview.wss?uid=isg1IZ71047

Url: https://rhn.redhat.com/errata/RHSA-2009-1651.html

Url: http://support.ntp.org/bin/view/Main/SecurityNotice#DoS_attack_from_certain_NTP_mode

Url: ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-005.txt.asc

Url: http://security-tracker.debian.org/tracker/CVE-2009-3563

Url: http://www.vupen.com/english/advisories/2010/0528

Url: http://www.debian.org/security/2009/dsa-1948

Url: http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021781.1-1

Url: https://nvd.nist.gov/vuln/detail/CVE-2009-3563

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2009-3563

Url: http://secunia.com/advisories/38764

Url: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560074

Url: http://www.kb.cert.org/vuls/id/568372

Url: http://securitytracker.com/id?1023298

Url: https://rhn.redhat.com/errata/RHSA-2009-1648.html

Url: https://rhn.redhat.com/errata/RHSA-2010-0095.html

Url: https://support.ntp.org/bugs/show_bug.cgi?id=1331

Url: https://access.redhat.com/security/cve/CVE-2009-3563

Url: http://www.kb.cert.org/vuls/id/MAPG-7X7V6J

Url: https://www.mend.io/vulnerability-database/CVE-2009-3563

Severity Score

6.5

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	LOW
Availability (A):	LOW

CVSS v2

Base Score:	6.4
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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CVE-2009-3563

Date: December 9, 2009

Severity Score

Related Resources (46)

Severity Score

CVSS v3.1

CVSS v2

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