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ubuntucveUbuntu.comUB:CVE-2015-7974
HistoryJan 26, 2016 - 12:00 a.m.

CVE-2015-7974

2016-01-2600:00:00
ubuntu.com
ubuntu.com
8

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

0.003 Low

EPSS

Percentile

68.6%

JSON

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.”

Bugs

Notes

Author Note
mdeslaur fedora has an alternate fix http://lists.ntp.org/pipermail/hackers/2016-January/007416.html
OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchntp< 1:4.2.6.p3+dfsg-1ubuntu3.11UNKNOWN
ubuntu14.04noarchntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10UNKNOWN
ubuntu16.04noarchntp< 1:4.2.8p4+dfsg-3ubuntu5.3UNKNOWN

Related

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ics 1
redhat 1
centos 1
cloudfoundry 1
ubuntu 1
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cert 1
gentoo 1
cve
cve
CVE-2015-7974
2016-01-26 19:59:00
debiancve
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CVE-2015-7974
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K13304944 : NTP vulnerability CVE-2015-7974
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SOL13304944 - NTP vulnerability CVE-2015-7974
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Network Time Protocol Skeleton Key: Symmetric Authentication Impersonation Vulnerability
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[SECURITY] Fedora 23 Update: ntp-4.2.6p5-36.fc23
2016-01-30 18:28:19
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2016-02-21 02:33:52
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Fedora 23 : ntp-4.2.6p5-36.fc23 (2016-8bb1932088)
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amazon
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2016-02-09 13:30:00
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2016-08-15 00:00:00
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2016-09-06 09:07:16
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2016-01-27 20:00:00
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gentoo
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2016-07-20 00:00:00

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

0.003 Low

EPSS

Percentile

68.6%

JSON
Related for UB:CVE-2015-7974
cve1debiancve1f52prion1talos1ibm5fedora2nessus36openvas28amazon1paloalto1slackware1mageia1debian2freebsd1freebsd_advisory1osv2aix1cisco1suse12symantec1ics1redhat1centos1cloudfoundry1ubuntu1oraclelinux1cert1gentoo1