Free and open-source vulnerability scanner
Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.
Install NowAvailable for macOS, Windows, and Linux
CVE-2016-1547
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 5/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 2.9/10
- Confidentiality Impact
- None
- Availability Impact
- Partial
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 5.3/10
- Exploit Score
- 3.9/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 1.4/10
- Confidentiality Impact
- None
- Availability Impact
- Low
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:ntp:ntp:*:p4:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://www.talosintelligence.com/reports/TALOS-2016-0081/
- http://www.securityfocus.com/bid/88276
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- https://security.gentoo.org/glsa/201607-15
- http://www.securitytracker.com/id/1035705
- http://www.debian.org/security/2016/dsa-3629
- https://security.netapp.com/advisory/ntap-20171004-0002/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
- https://access.redhat.com/errata/RHSA-2016:1141
- http://rhn.redhat.com/errata/RHSA-2016-1552.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
- https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-a