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Last updated: 10/26/2014 5:31:03 AM

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Vulnerability Summary for CVE-2013-5211

Original release date: 01/02/2014
Last revised: 07/17/2014
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: SECUNIA
Name: 59288
US-CERT Vulnerability Note: CERT
Name: TA14-013A
External Source: SECUNIA
Name: 59726
External Source: CONFIRM
Name: http://aix.software.ibm.com/aix/efixes/security/ntp_advisory.asc
External Source: MLIST
Name: [pool] 20111210 Odd surge in traffic today
External Source: HP
Name: SSRT101419
External Source: HP
Name: HPSBUX02960
External Source: CONFIRM
Name: http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095892
External Source: MISC
Name: http://ics-cert.us-cert.gov/advisories/ICSA-14-051-04
External Source: CONFIRM
Name: http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095861
External Source: MLIST
Name: [oss-security] 20131230 Re: CVE to the ntp monlist DDoS issue?
External Source: CONFIRM
Name: http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-dev/ntp-dev-4.2.7p26.tar.gz
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20131230 CVE to the ntp monlist DDoS issue?
External Source: SECTRACK
Name: 1030433
External Source: CONFIRM
Name: http://bugs.ntp.org/show_bug.cgi?id=1532
US-CERT Vulnerability Note: CERT-VN
Name: VU#348126

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