CVE-2015-7704

high

Description

The ntpd client in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service via a number of crafted "KOD" messages.

References

Advisories
More

https://www.kb.cert.org/vuls/id/718152

https://www.cs.bu.edu/~goldbe/NTPattack.html

https://support.citrix.com/article/CTX220112

https://security.netapp.com/advisory/ntap-20171004-0002/

https://security.netapp.com/advisory/ntap-20171004-0001/

https://security.gentoo.org/glsa/201607-15

https://kc.mcafee.com/corporate/index?page=content&id=SB10284

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839

https://eprint.iacr.org/2015/1020.pdf

https://bugzilla.redhat.com/show_bug.cgi?id=1271070

http://www.securitytracker.com/id/1033951

http://www.securityfocus.com/bid/77280

http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

http://www.debian.org/security/2015/dsa-3388

http://rhn.redhat.com/errata/RHSA-2015-2520.html

http://rhn.redhat.com/errata/RHSA-2015-1930.html

https://www.arista.com/en/support/advisories-notices/security-advisories/1212-security-advisory-0016

http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_Securit

http://support.ntp.org/bin/view/Main/NtpBug2901

http://bugs.ntp.org/show_bug.cgi?id=2901

Details

Source: Mitre, NVD

Published: 2017-08-07

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.57035

Detections

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