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ubuntucveUbuntu.comUB:CVE-2016-4957
HistoryJul 05, 2016 - 12:00 a.m.

CVE-2016-4957

2016-07-0500:00:00
ubuntu.com
ubuntu.com
5

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.93 High

EPSS

Percentile

99.0%

JSON

ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of
service (daemon crash) via a crypto-NAK packet. NOTE: this vulnerability
exists because of an incorrect fix for CVE-2016-1547.

Bugs

Notes

Author Note
mdeslaur incorrect fix for CVE-2016-1547 redhat’s fix for CVE-2016-1547 doesn’t introduce this issue Ubuntu uses redhat’s fix

Related

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cloudfoundry 1
ubuntu 1
oracle 1
prion
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Design/Logic Flaw
2016-07-05 01:59:00
Authentication flaw
2017-01-06 21:59:00
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2016-06-02 13:49:32
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CVE-2016-4957
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SOL23453330 - NTP vulnerability CVE-2016-4957
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2016-06-15 00:00:00
K11251130 : NTP vulnerability CVE-2016-1547
2016-05-25 00:00:00
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2016-11-21 00:00:00
Network Time Protocol Crypto-NAK Preemptible Association Denial of Service Vulnerability
2016-04-26 00:00:00
seebug
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Network Time Protocol Trap Crash Denial of Service Vulnerability(CVE-2016-9311)
2017-10-11 00:00:00
Network Time Protocol Crypto-NAK Preemptible Association Denial of Service Vulnerability(CVE-2016-1547)
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AIX 5.3 TL 12 : ntp (IV87614) (deprecated)
2016-09-08 00:00:00
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2016-09-08 00:00:00
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2016-09-06 09:07:16
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2023-04-14 14:32:25
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2021-09-23 01:31:39
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2018-06-18 01:32:32
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NTP.org ntpd is vulnerable to denial of service and other vulnerabilities
2016-06-02 00:00:00
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SUSE: Security Advisory (SUSE-SU-2016:1563-1)
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2016-04-28 09:00:00
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FreeBSD -- Multiple ntp vulnerabilities
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ntp -- multiple vulnerabilities
2016-04-26 00:00:00
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[slackware-security] ntp
2016-06-04 00:43:43
[slackware-security] ntp
2016-04-29 21:57:25
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2016-05-31 00:00:00
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(RHSA-2016:1141) Moderate: ntp security update
2016-05-31 05:04:27
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2016-08-03 04:36:58
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NTP vulnerabilities
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Oracle Critical Patch Update - July 2016
2016-07-19 00:00:00

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.93 High

EPSS

Percentile

99.0%

JSON
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