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CVE
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CVE-2016-1547Date: (C)2017-01-11   (M)2024-02-01


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.3CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 1.4Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: LOW 
  
Reference:
SECTRACK-1035705
BID-88276
DSA-3629
FreeBSD-SA-16:16
GLSA-201607-15
RHSA-2016:1141
RHSA-2016:1552
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.talosintelligence.com/reports/TALOS-2016-0081/
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
https://security.netapp.com/advisory/ntap-20171004-0002/
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19

CWE    1
CWE-20
OVAL    15
oval:org.secpod.oval:def:2104580
oval:org.secpod.oval:def:703298
oval:org.secpod.oval:def:37674
oval:org.secpod.oval:def:1100542
...

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