CVE-2016-7427
First published: Fri Jan 13 2017(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NTP ntp | =4.2.8-p6 | |
| NTP ntp | =4.2.8-p7 | |
| NTP ntp | =4.2.8-p8 | |
| debian/ntp | 1:4.2.8p15+dfsg-1 |
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Reference Links
- http://nwtime.org/ntp428p9_release/
- http://support.ntp.org/bin/view/Main/NtpBug3114
- http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
- http://www.securityfocus.com/bid/94447
- 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://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc
- 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
- https://usn.ubuntu.com/3707-2/
- https://www.kb.cert.org/vuls/id/633847
- 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
- https://launchpad.net/bugs/cve/CVE-2016-7427
- http://www.talosintelligence.com/reports/TALOS-2016-0131/
- https://security-tracker.debian.org/tracker/CVE-2016-7427
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7427
- https://nvd.nist.gov/vuln/detail/CVE-2016-7427
- https://ubuntu.com/security/CVE-2016-7427
Frequently Asked Questions
What is CVE-2016-7427?
CVE-2016-7427 is a vulnerability in ntpd in NTP before 4.2.8p9 that allows remote attackers to cause a denial of service.
How does CVE-2016-7427 work?
CVE-2016-7427 works by exploiting the broadcast mode replay prevention functionality in ntpd in NTP before 4.2.8p9.
What is the severity of CVE-2016-7427?
CVE-2016-7427 has a severity rating of 4.3 (medium).
Which software versions are affected by CVE-2016-7427?
CVE-2016-7427 affects NTP versions before 4.2.8p9, 4.2.8p12+dfsg-4, and 4.2.8p15+dfsg-1 on Debian, as well as certain Ubuntu versions.
How can CVE-2016-7427 be fixed?
To fix CVE-2016-7427, users should update their NTP software to version 4.2.8p9 or later.
- collector/nvd-index
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- source/Launchpad
- agent/remedy
- agent/author
- agent/first-publish-date
- collector/nvd-cve
- source/NVD
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- collector/security-tracker-debian
- source/Debian
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- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
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- collector/usn-cve
- source/Ubuntu
- vendor/ntp
- canonical/ntp ntp
- version/ntp ntp/4.2.8-p6
- version/ntp ntp/4.2.8-p7
- version/ntp ntp/4.2.8-p8
- package-manager/debian