Medium severity5.3NVD Advisory· Published Jan 6, 2017· Updated May 6, 2026
CVE-2016-1547
CVE-2016-1547
Description
An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled.
Affected products
2- NTP Project/NTPv5Range: 4.2.8p3
- NTPsec Project/NTPSecv5Range: a5fb34b9cc89b92a8fef2f459004865c93bb7f92
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
15- www.talosintelligence.com/reports/TALOS-2016-0081/nvdMitigationTechnical DescriptionThird Party Advisory
- rhn.redhat.com/errata/RHSA-2016-1552.htmlnvd
- www.debian.org/security/2016/dsa-3629nvd
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlnvd
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlnvd
- www.securityfocus.com/bid/88276nvd
- www.securitytracker.com/id/1035705nvd
- access.redhat.com/errata/RHSA-2016:1141nvd
- cert-portal.siemens.com/productcert/pdf/ssa-211752.pdfnvd
- cert-portal.siemens.com/productcert/pdf/ssa-497656.pdfnvd
- security.freebsd.org/advisories/FreeBSD-SA-16:16.ntp.ascnvd
- security.gentoo.org/glsa/201607-15nvd
- security.netapp.com/advisory/ntap-20171004-0002/nvd
- us-cert.cisa.gov/ics/advisories/icsa-21-103-11nvd
- www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19nvd
News mentions
0No linked articles in our index yet.