CVE-2013-5211

The monlist feature in ntp_request.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service (traffic amplification) via forged (1) REQ_MON_GETLIST or (2) REQ_MON_GETLIST_1 requests, as exploited in the wild in December 2013.

• CWE-20

• http://aix.software.ibm.com/aix/efixes/security/ntp_advisory.ascThird Party Advisory
• http://bugs.ntp.org/show_bug.cgi?id=1532Issue Tracking
• http://ics-cert.us-cert.gov/advisories/ICSA-14-051-04Third Party Advisory, US Government Resource
• http://lists.ntp.org/pipermail/pool/2011-December/005616.htmlBroken Link
• http://lists.opensuse.org/opensuse-updates/2014-09/msg00031.htmlThird Party Advisory
• http://marc.info/?l=bugtraq&m=138971294629419&w=2Mailing List
• http://marc.info/?l=bugtraq&m=144182594518755&w=2Mailing List, Third Party Advisory
• http://openwall.com/lists/oss-security/2013/12/30/6Mailing List
• http://openwall.com/lists/oss-security/2013/12/30/7Mailing List
• http://secunia.com/advisories/59288Not Applicable
• http://secunia.com/advisories/59726Not Applicable
• http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095861Broken Link
• http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095892Broken Link
• http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-dev/ntp-dev-4.2.7p26.tar.gzPatch
• http://www.kb.cert.org/vuls/id/348126Third Party Advisory, US Government Resource
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
• http://www.securityfocus.com/bid/64692Broken Link, Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1030433Third Party Advisory, VDB Entry
• http://www.us-cert.gov/ncas/alerts/TA14-013AThird Party Advisory, US Government Resource
• https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04790232Third Party Advisory
• https://puppet.com/security/cve/puppetlabs-ntp-nov-2015-advisoryBroken Link
• http://aix.software.ibm.com/aix/efixes/security/ntp_advisory.ascThird Party Advisory
• http://bugs.ntp.org/show_bug.cgi?id=1532Issue Tracking
• http://ics-cert.us-cert.gov/advisories/ICSA-14-051-04Third Party Advisory, US Government Resource
• http://lists.ntp.org/pipermail/pool/2011-December/005616.htmlBroken Link
• http://lists.opensuse.org/opensuse-updates/2014-09/msg00031.htmlThird Party Advisory
• http://marc.info/?l=bugtraq&m=138971294629419&w=2Mailing List
• http://marc.info/?l=bugtraq&m=144182594518755&w=2Mailing List, Third Party Advisory
• http://openwall.com/lists/oss-security/2013/12/30/6Mailing List
• http://openwall.com/lists/oss-security/2013/12/30/7Mailing List
• http://secunia.com/advisories/59288Not Applicable
• http://secunia.com/advisories/59726Not Applicable
• http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095861Broken Link
• http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095892Broken Link
• http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-dev/ntp-dev-4.2.7p26.tar.gzPatch
• http://www.kb.cert.org/vuls/id/348126Third Party Advisory, US Government Resource
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
• http://www.securityfocus.com/bid/64692Broken Link, Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1030433Third Party Advisory, VDB Entry
• http://www.us-cert.gov/ncas/alerts/TA14-013AThird Party Advisory, US Government Resource
• https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04790232Third Party Advisory
• https://puppet.com/security/cve/puppetlabs-ntp-nov-2015-advisoryBroken Link

Published

Jan 2, 2014

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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