CVE-2016-7429

NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.

• CWE-18

• http://nwtime.org/ntp428p9_release/Release Notes, Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2017-0252.html
• http://support.ntp.org/bin/view/Main/NtpBug3072Issue Tracking, Mitigation, Vendor Advisory
• http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_VulnerabilitiesVendor Advisory
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• http://www.securityfocus.com/bid/94453
• http://www.securitytracker.com/id/1037354
• https://bto.bluecoat.com/security-advisory/sa139
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
• https://www.kb.cert.org/vuls/id/633847Third Party Advisory, US Government Resource
• http://nwtime.org/ntp428p9_release/Release Notes, Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2017-0252.html
• http://support.ntp.org/bin/view/Main/NtpBug3072Issue Tracking, Mitigation, Vendor Advisory
• http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_VulnerabilitiesVendor Advisory
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• http://www.securityfocus.com/bid/94453
• http://www.securitytracker.com/id/1037354
• https://bto.bluecoat.com/security-advisory/sa139
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
• https://www.kb.cert.org/vuls/id/633847Third Party Advisory, US Government Resource

Published

Jan 13, 2017

Last Modified

Jun 17, 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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