Vulnerability Description
ntpd in NTP before 4.2.8p9, when the trap service is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted packet.
CVSS Score
5.9
MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ntp | Ntp | <= 4.2.8 |
Related Weaknesses (CWE)
References
- http://nwtime.org/ntp428p9_release/Release NotesVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0252.html
- http://support.ntp.org/bin/view/Main/NtpBug3119Issue TrackingMitigationVendor Advisory
- http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_VulnerabilitiesVendor Advisory
- http://www.securityfocus.com/bid/94444Third Party AdvisoryVDB Entry
- 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
- 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-hpe
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpe
- https://usn.ubuntu.com/3707-2/
- https://www.kb.cert.org/vuls/id/633847Third Party AdvisoryUS Government Resource
- http://nwtime.org/ntp428p9_release/Release NotesVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0252.html
FAQ
What is CVE-2016-9311?
CVE-2016-9311 is a vulnerability with a CVSS score of 5.9 (MEDIUM). ntpd in NTP before 4.2.8p9, when the trap service is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted packet.
How severe is CVE-2016-9311?
CVE-2016-9311 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-9311?
Check the references section above for vendor advisories and patch information. Affected products include: Ntp Ntp.