CVE-2016-4956
MEDIUM severity · CVSS 5.3
5.3CVSS MEDIUM
Summary
ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (interleaved-mode transition and time change) via a spoofed broadcast packet. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-1548.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)16%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://bugs.ntp.org/3042Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html