CVE-2016-4954
Published · Updated
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 13%
exploitation probability
13%top 4% of all CVEs
observed exploitation
nono source reports it
The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication.
Affected products
n/a · n/aReferences
http://bugs.ntp.org/3044http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.htmlhttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.htmlhttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.htmlhttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.htmlhttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.htmlhttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.htmlhttp://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.htmlhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.htmlhttp://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.htmlhttp://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.htmlhttps://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf