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cve[email protected]CVE-2016-2517
HistoryJan 30, 2017 - 9:59 p.m.

CVE-2016-2517

2017-01-3021:59:00
CWE-20
[email protected]
web.nvd.nist.gov
70
cve-2016-2517
ntp
denial of service
remote attackers
authentication
crafted packet
ntpd

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

5.9 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:H/Au:S/C:N/I:N/A:C

0.005 Low

EPSS

Percentile

75.5%

JSON

NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (prevent subsequent authentication) by leveraging knowledge of the controlkey or requestkey and sending a crafted packet to ntpd, which changes the value of trustedkey, controlkey, or requestkey. NOTE: this vulnerability exists because of a CVE-2016-2516 regression.

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5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

5.9 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:H/Au:S/C:N/I:N/A:C

0.005 Low

EPSS

Percentile

75.5%

JSON
Related for CVE-2016-2517
f54debiancve2prion2ubuntucve2nessus33openvas22ibm3freebsd_advisory1cve1freebsd1rosalinux1slackware1suse7arista1cisco1fortinet1mageia1aix1fedora3amazon1cert1debian2gentoo1osv2cloudfoundry1ubuntu1