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CVE-2016-7426

Date: January 13, 2017

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service (prevent responses from the sources) by sending responses with a spoofed source address.

Language: Unix

Severity Score

Related Resources (15)

https://nvd.nist.gov/vuln/detail/CVE-2016-7426
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc
http://nwtime.org/ntp428p9_release/
https://access.redhat.com/security/cve/CVE-2016-7426
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
http://support.ntp.org/bin/view/Main/NtpBug3071
http://www.securityfocus.com/bid/94451
https://usn.ubuntu.com/3707-2/
http://rhn.redhat.com/errata/RHSA-2017-0252.html
http://www.securitytracker.com/id/1037354
https://bto.bluecoat.com/security-advisory/sa139
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-7426
https://www.kb.cert.org/vuls/id/633847
https://www.mend.io/vulnerability-database/CVE-2016-7426

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

CVSS v3.1

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

CVSS v2

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

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