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Status published
Critical
CVE-2015-7853
The datalen parameter in the refclock driver in NTP 4.2.x...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://support.ntp.org/bin/view/Main/NtpBug2920
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
- http://www.ubuntu.com/usn/USN-2783-1
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
- http://www.securitytracker.com/id/1033951
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1274262
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
- http://www.securityfocus.com/bid/77273
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171004-0001/
- http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
- http://packetstormsecurity.com/files/134082/FreeBSD-Security-Advisory-ntp-Authentication-Bypass.html
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
- https://bto.bluecoat.com/security-advisory/sa103
- http://www.securityfocus.com/archive/1/536833/100/0/threaded
- http://www.talosintel.com/vulnerability-reports/
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
- http://www.securityfocus.com/archive/1/archive/1/536833/100/100/threaded
- http://www.securityfocus.com/archive/1/536760/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/536760/100/100/threaded
- http://www.securityfocus.com/archive/1/536796/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
- http://www.securityfocus.com/archive/1/536737/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
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Affected Vendor
Affected Software
ntp, oncommand balance, oncommand performance manager, oncommand unified manager, clustered data ontap, data ontap
Vulnerable Versions:
4.2.0, 4.3.0, 4.2.8
Timeline
Official Publish:
August 7th, 2017
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.