National Cyber Awareness System

Vulnerability Summary for CVE-2009-3563

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#568372

Name: VU#568372

Type: Patch Information

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

External Source: BID

Name: 37255

Type: Patch Information

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

External Source: DEBIAN

Name: DSA-1948

Type: Patch Information

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

External Source: CONFIRM

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

Type: Patch Information

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

External Source: FEDORA

Name: FEDORA-2009-13121

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

External Source: FEDORA

Name: FEDORA-2009-13090

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

External Source: REDHAT

Name: RHSA-2010:0095

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

External Source: REDHAT

Name: RHSA-2009:1651

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

External Source: REDHAT

Name: RHSA-2009:1648

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

External Source: CONFIRM

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

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

External Source: VUPEN

Name: ADV-2010-0993

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

External Source: VUPEN

Name: ADV-2010-0528

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

External Source: VUPEN

Name: ADV-2010-0510

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

External Source: CONFIRM

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

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

External Source: CONFIRM

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

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

External Source: AIXAPAR

Name: IZ71047

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

External Source: AIXAPAR

Name: IZ68659

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

External Source: CONFIRM

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

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

External Source: SUNALERT

Name: 1021781

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

External Source: SECTRACK

Name: 1023298

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

External Source: CONFIRM

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

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

External Source: SECUNIA

Name: 39593

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

External Source: SECUNIA

Name: 38834

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

External Source: SECUNIA

Name: 38832

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

External Source: SECUNIA

Name: 38794

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

External Source: SECUNIA

Name: 38764

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

External Source: SECUNIA

Name: 37922

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

External Source: SECUNIA

Name: 37629

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

External Source: OVAL

Name: oval:org.mitre.oval:def:7076

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:7076

External Source: OVAL

Name: oval:org.mitre.oval:def:12141

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12141

External Source: OVAL

Name: oval:org.mitre.oval:def:11225

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11225

External Source: MLIST

Name: [security-announce] 20100303 VMSA-2010-0004 ESX Service Console and vMA third party updates

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

External Source: CONFIRM

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

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

External Source: CONFIRM

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

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

External Source: NETBSD

Name: NetBSD-SA2010-005

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

References to Check Content

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

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