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prionPRIOn knowledge basePRION:CVE-2016-2517
HistoryJan 30, 2017 - 9:59 p.m.

Authentication flaw

2017-01-3021:59:00
PRIOn knowledge base
www.prio-n.com
5

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

5.3 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

75.2%

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.

CPENameOperatorVersion
ntple4.2.8
ntpeq4.3.80
ntpeq4.3.51
ntpeq4.3.17
ntpeq4.3.30
ntpeq4.3.74
ntpeq4.3.67
ntpeq4.3.14
ntpeq4.3.27
ntpeq4.3.13
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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

5.3 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

75.2%

JSON
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