7.5high

CVE-2016-4957in critical feed

ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon crash) via a crypto-NAK packet.

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
44.9%
percentile 99%
Public exploits
0
none known

Summary

ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon crash) via a crypto-NAK packet. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-1547.

Exploit prediction (EPSS)

44.94% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00028.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00023.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • security.freebsd.org /advisories/FreeBSD-SA-16:24.ntp.asc · vendor-advisory, x_refsource_FREEBSD, x_transferred
  • bugs.ntp.org /3046 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1036037 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00024.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • oracle.com /technetwork/topics/security/bulletinapr2016-2952098.html · x_refsource_CONFIRM, x_transferred
  • kb.cert.org /vuls/id/321640 · third-party-advisory, x_refsource_CERT-VN, x_transferred
  • support.ntp.org /bin/view/Main/SecurityNotice · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00040.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • support.ntp.org /bin/view/Main/NtpBug3046 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-06/msg00018.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • security.gentoo.org /glsa/201607-15 · vendor-advisory, x_refsource_GENTOO, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.