CVE-2015-7853

9.8 CRITICAL
Published: August 07, 2017 Modified: May 13, 2026
View on NVD

Description

The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
Source: cve@mitre.org
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
Source: cve@mitre.org
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
Source: cve@mitre.org
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
Source: cve@mitre.org
http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
Source: cve@mitre.org
http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
Source: cve@mitre.org
http://packetstormsecurity.com/files/134082/FreeBSD-Security-Advisory-ntp-Authentication-Bypass.html
Source: cve@mitre.org
http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
Source: cve@mitre.org
http://support.ntp.org/bin/view/Main/NtpBug2920
Source: cve@mitre.org
Patch Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/536737/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/536760/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/536796/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/536833/100/0/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/archive/1/536760/100/100/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
Source: cve@mitre.org
http://www.securityfocus.com/archive/1/archive/1/536833/100/100/threaded
Source: cve@mitre.org
http://www.securityfocus.com/bid/77273
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1033951
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.talosintel.com/vulnerability-reports/
Source: cve@mitre.org
http://www.ubuntu.com/usn/USN-2783-1
Source: cve@mitre.org
https://bto.bluecoat.com/security-advisory/sa103
Source: cve@mitre.org
https://bugzilla.redhat.com/show_bug.cgi?id=1274262
Source: cve@mitre.org
Issue Tracking Third Party Advisory VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
Source: cve@mitre.org
https://security.gentoo.org/glsa/201607-15
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://security.netapp.com/advisory/ntap-20171004-0001/
Source: cve@mitre.org
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
Source: cve@mitre.org
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://packetstormsecurity.com/files/134082/FreeBSD-Security-Advisory-ntp-Authentication-Bypass.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.ntp.org/bin/view/Main/NtpBug2920
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/536737/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/536760/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/536796/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/536833/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/archive/1/536760/100/100/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/archive/1/536833/100/100/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/77273
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1033951
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.talosintel.com/vulnerability-reports/
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2783-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bto.bluecoat.com/security-advisory/sa103
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1274262
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201607-15
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://security.netapp.com/advisory/ntap-20171004-0001/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
Source: af854a3a-2127-422b-91ae-364da2661108

56 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
11.8%
96th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-120

Affected Vendors

ntp netapp

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