Resource Exhaustion Affecting ntp package, versions <1:4.2.8p9+dfsg-1
Threat Intelligence
EPSS
1% (84th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-NTP-529769
- published 13 Jan 2017
- disclosed 13 Jan 2017
Introduced: 13 Jan 2017
CVE-2016-7427 Open this link in a new tabHow to fix?
Upgrade Debian:11 ntp to version 1:4.2.8p9+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ntp package and not the ntp package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
The broadcast mode replay prevention functionality in ntpd in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (reject broadcast mode packets) via a crafted broadcast mode packet.
References
- https://www.kb.cert.org/vuls/id/633847
- http://nwtime.org/ntp428p9_release/
- 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://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03883en_us
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03899en_us
- http://support.ntp.org/bin/view/Main/NtpBug3114
- http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
- https://security-tracker.debian.org/tracker/CVE-2016-7427
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc
- http://www.securityfocus.com/bid/94447
- http://www.securitytracker.com/id/1037354
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-7427
- https://usn.ubuntu.com/3707-2/