Description
A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 and a5fb34b9cc89b92a8fef2f459004865c93bb7f92 and modify a victim's clock.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
NTP Project NTP
4.2.8p3affected4.2.8p4affected
NTPsec Project NTPSec
3e160db8dc248a0bcb053b56a80167dc742d2b74affecteda5fb34b9cc89b92a8fef2f459004865c93bb7f92affected
References
- http://www.talosintelligence.com/reports/TALOS-2016-0083/ ↗
- http://www.securityfocus.com/bid/88200 ↗
- http://www.securitytracker.com/id/1035705 ↗
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html ↗
- https://security.netapp.com/advisory/ntap-20171004-0002/ ↗
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc ↗
- https://www.synology.com/support/security/Synology_SA_18_13 ↗
- https://security.gentoo.org/glsa/201607-15 ↗
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us ↗