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CVE
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CVE-2015-7974Date: (C)2016-02-11   (M)2024-02-01


NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.7CVSS Score : 4.0
Exploit Score: 3.1Exploit Score: 8.0
Impact Score: 4.0Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: SINGLE
User Interaction: NONEConfidentiality: NONE
Scope: CHANGEDIntegrity: PARTIAL
Confidentiality: NONEAvailability: NONE
Integrity: HIGH 
Availability: NONE 
  
Reference:
SECTRACK-1034782
BID-81960
DSA-3629
FreeBSD-SA-16:09
GLSA-201607-15
RHSA-2016:2583
http://bugs.ntp.org/show_bug.cgi?id=2936
http://support.ntp.org/bin/view/Main/NtpBug2936
http://www.talosintel.com/reports/TALOS-2016-0071/
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us
https://security.netapp.com/advisory/ntap-20171031-0001/
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11

CPE    8
cpe:/o:debian:debian_linux:9.0
cpe:/a:ntp:ntp
cpe:/o:debian:debian_linux:8.0
cpe:/a:ntp:ntp:4.2.8:p2
...
CWE    1
CWE-287
OVAL    18
oval:org.secpod.oval:def:703298
oval:org.secpod.oval:def:110183
oval:org.secpod.oval:def:110101
oval:org.secpod.oval:def:1600389
...

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