Home/CVE/ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service
CVE

CVE-2015-7850

ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service

ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (infinite loop or crash) by pointing the key file at the log file.

MEDIUM · CVSS 6.5 EPSS 0.02555
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
▤

Affected Products & Versions

9
ntp>= 4.2.0 and < 4.2.8
ntp>= 4.3.0 and < 4.3.77
ntpall versions
debian linuxall versions
netapp oncommand balanceall versions
netapp oncommand performance managerall versions
netapp oncommand unified managerall versions
netapp clustered data ontapall versions
▣

Scoring & Timeline

6.5
MEDIUM · 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:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

5
suse-csafopenSUSE-SU-2024:10181-1
suse-csafSUSE-SU-2016:1311-1
suse-csafSUSE-SU-2016:1247-1
suse-csafSUSE-SU-2015:2058-1
usnUSN-2783-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://support.ntp.org/bin/view/Main/NtpBug2917PatchVendor Advisory
http://www.debian.org/security/2015/dsa-3388Third Party Advisory
http://www.securityfocus.com/bid/77279Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1033951Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1274258Issue TrackingThird Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201607-15Third Party AdvisoryVDB Entry
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