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CVSSv2

CVE-2016-7431

Published: 13/01/2017 Updated: 12/07/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 5.3 | Impact Score: 1.4 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
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Vulnerability Summary

NTP prior to 4.2.8p9 allows remote malicious users to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression.

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ntp ntp 4.2.8

Vendor Advisories

Ubuntu Security Notice: ntp vulnerabilities
Several security issues were fixed in NTP ...
Red Hat: CVE-2016-7431
NTP before 428p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero NOTE: this vulnerability exists because of a CVE-2015-8138 regression ...
Arch Linux Issues:
Zero Origin timestamp problems were fixed by Bug 2945 in ntp-428p6 However, subsequent timestamp validation checks introduced a regression in the handling of some Zero origin timestamp checks ...

References

CWE-20https://www.kb.cert.org/vuls/id/633847http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilitieshttp://support.ntp.org/bin/view/Main/NtpBug3102http://nwtime.org/ntp428p9_release/http://www.securityfocus.com/bid/94454https://bto.bluecoat.com/security-advisory/sa139https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_ushttp://www.securitytracker.com/id/1037354http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlhttps://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.aschttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03883en_ushttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03899en_ushttps://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdfhttp://www.securityfocus.com/archive/1/archive/1/540254/100/0/threadedhttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171129-01-ntpd-enhttp://www.securityfocus.com/archive/1/archive/1/539955/100/0/threadedhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03899en_ushttp://packetstormsecurity.com/files/140240/FreeBSD-Security-Advisory-FreeBSD-SA-16.39.ntp.htmlhttps://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-223/http://www.securityfocus.com/archive/1/540254/100/0/threadedhttp://lists.opensuse.org/opensuse-updates/2016-12/msg00153.htmlhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03883en_ushttps://us-cert.cisa.gov/ics/advisories/icsa-21-159-11http://www.ubuntu.com/usn/USN-3349-1http://www.securityfocus.com/archive/1/539955/100/0/threadedhttps://nvd.nist.govhttps://usn.ubuntu.com/3349-1/https://www.kb.cert.org/vuls/id/633847
CVSSv2
CVSSv2
CVSSv3
VMScore
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