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Vulnerability Details : 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.
Publish Date : 2014-01-02 Last Update Date : 2018-10-30
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service

- Related OVAL Definitions

Title Definition Id Class Family
Network Time Protocol (NTP) vulnerability in AIX oval:org.mitre.oval:def:24449 unix
SUSE-SU-2014:0937-1 -- Security update for ntp oval:org.mitre.oval:def:26210 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-5211

# Product Type Vendor Product Version Update Edition Language
1 Application NTP NTP 4.2.7 * * * Version Details Vulnerabilities
2 OS Opensuse Opensuse 11.4 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Opensuse Opensuse 1

- References For CVE-2013-5211 CONFIRM
MLIST [oss-security] 20131230 Re: CVE to the ntp monlist DDoS issue? CONFIRM
BID 64692 NTP 'ntp_request.c' Remote Denial of Service Vulnerability Release Date:2014-07-22 CONFIRM CONFIRM
SUSE openSUSE-SU-2014:1149
MLIST [oss-security] 20131230 CVE to the ntp monlist DDoS issue?
CERT TA14-013A
MLIST [pool] 20111210 Odd surge in traffic today CONFIRM CONFIRM

- Metasploit Modules Related To CVE-2013-5211

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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