Home/CVE/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 v
CVE

CVE-2015-7704

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 v

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.

HIGH · CVSS 7.5 EPSS 0.21462
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

17
ntp>= 4.2.0 and < 4.2.8
ntp>= 4.3.0 and < 4.3.77
ntpall versions
debian linuxall versions
netapp oncommand performance managerall versions
netapp oncommand unified managerall versions
netapp clustered data ontapall versions
netapp data ontapall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Aug 2017 · 08:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

18
suse-csafopenSUSE-SU-2024:10181-1
suse-csafopenSUSE-SU-2024:11102-1
suse-csafSUSE-SU-2018:1765-2
suse-csafSUSE-SU-2018:1765-1
suse-csafSUSE-SU-2018:1464-1
🔗

References & Sources

20
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://bugs.ntp.org/show_bug.cgi?id=2901Issue TrackingVendor Advisory
http://rhn.redhat.com/errata/RHSA-2015-1930.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2520.htmlThird Party Advisory
http://support.ntp.org/bin/view/Main/NtpBug2901Vendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_SecuritRelease NotesVendor Advisory
http://www.debian.org/security/2015/dsa-3388Third Party Advisory
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin