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CVE
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CVE-2016-9042Date: (C)2018-06-05   (M)2024-02-01


An exploitable denial of service vulnerability exists in the origin timestamp check functionality of ntpd 4.2.8p9. A specially crafted unauthenticated network packet can be used to reset the expected origin timestamp for target peers. Legitimate replies from targeted peers will fail the origin timestamp check (TEST2) causing the reply to be dropped and creating a denial of service condition.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.9CVSS Score : 4.3
Exploit Score: 2.2Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
SECTRACK-1038123
SECTRACK-1039427
http://www.securityfocus.com/archive/1/archive/1/540403/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/540464/100/0/threaded
http://seclists.org/fulldisclosure/2017/Sep/62
http://seclists.org/fulldisclosure/2017/Nov/7
BID-97046
FEDORA-2017-20d54b2782
FreeBSD-SA-17:03
USN-3349-1
http://packetstormsecurity.com/files/142101/FreeBSD-Security-Advisory-FreeBSD-SA-17-03.ntp.html
http://packetstormsecurity.com/files/142284/Slackware-Security-Advisory-ntp-Updates.html
https://bto.bluecoat.com/security-advisory/sa147
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
https://kc.mcafee.com/corporate/index?page=content&id=SB10201
https://support.apple.com/kb/HT208144
https://support.f5.com/csp/article/K39041624
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0260

CPE    1
cpe:/o:freebsd:freebsd:10.0
CWE    1
CWE-20
OVAL    9
oval:org.secpod.oval:def:41172
oval:org.secpod.oval:def:42214
oval:org.secpod.oval:def:42245
oval:org.secpod.oval:def:2100960
...

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