CVE-2016-7433

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Summary

CVECVE-2016-7433
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-01-13 16:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionNTP before 4.2.8p9 does not properly perform the initial sync calculations, which allows remote attackers to unspecified impact via unknown vectors, related to a "root distance that did not include the peer dispersion."

Risk And Classification

Primary CVSS: v3.0 5.3 MEDIUM from [email protected]

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

Problem Types: CWE-682 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ntp Ntp All p8 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
support.ntp.org/bin/view/Main/NtpBug3067 af854a3a-2127-422b-91ae-364da2661108 support.ntp.org Issue Tracking, Mitigation, Vendor Advisory
USN-3349-1: NTP vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
[SECURITY] Fedora 24 Update: ntp-4.2.6p5-43.fc24 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
[SECURITY] Fedora 23 Update: ntp-4.2.6p5-43.fc23 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
BSA-2017-227 af854a3a-2127-422b-91ae-364da2661108 www.broadcom.com
NTP CVE-2016-7433 Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Network Time Foundation Publishes NTP 4.2.8p9 Security Release af854a3a-2127-422b-91ae-364da2661108 nwtime.org Release Notes, Vendor Advisory
Vulnerability Note VU#633847 - NTP.org ntpd contains multiple denial of service vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org Third Party Advisory, US Government Resource
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Broadcom Support Portal af854a3a-2127-422b-91ae-364da2661108 bto.bluecoat.com
support.ntp.org/bin/view/Main/SecurityNotice af854a3a-2127-422b-91ae-364da2661108 support.ntp.org Vendor Advisory
cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com
openSUSE-SU-2016:3280-1: moderate: Security update for ntp af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com
Oracle Critical Patch Update - October 2017 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
ntp Multiple Bugs Let Remote Users Cause the Target Service to Crash - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Security Advisory - Multiple NTPd Vulnerabilities in Huawei Products af854a3a-2127-422b-91ae-364da2661108 www.huawei.com
security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc af854a3a-2127-422b-91ae-364da2661108 security.FreeBSD.org
[SECURITY] Fedora 25 Update: ntp-4.2.6p5-43.fc25 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
BSA-2017-227 af854a3a-2127-422b-91ae-364da2661108 www.broadcom.com
Siemens SIMATIC NET CP 443-1 OPC UA | CISA af854a3a-2127-422b-91ae-364da2661108 us-cert.cisa.gov
[SECURITY] Fedora 25 Update: ntp-4.2.6p5-43.fc25 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 24 Update: ntp-4.2.6p5-43.fc24 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 23 Update: ntp-4.2.6p5-43.fc23 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 378199 Virtuozzo Linux Security Update for ntp (VZLSA-2017:0252)
  • 590736 Siemens SIMATIC NET CP 443-1 OPC UA Multiple Vulnerabilities (ICSA-21-159-11)
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