Home/CVE/ntp_crypto.c in ntpd in NTP 4.x before 4.2.8p1, when Autokey Authentication is enabled, allows remote attackers to obtai
CVE

CVE-2014-9750

ntp_crypto.c in ntpd in NTP 4.x before 4.2.8p1, when Autokey Authentication is enabled, allows remote attackers to obtai

ntp_crypto.c in ntpd in NTP 4.x before 4.2.8p1, when Autokey Authentication is enabled, allows remote attackers to obtain sensitive information from process memory or cause a denial of service (daemon crash) via a packet containing an extension field with an invalid value for the length of its value field.

MEDIUM · CVSS 5.8 EPSS 0.04426
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

7
ntp>= 4.2.0 and < 4.2.8
ntpall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
debian linuxall versions
oracle linuxall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalLinux Reverse Shell Indicator
producthighCommunication To LocaltoNet Tunneling Service Initiated - Linux
producthighPotentially Suspicious Malware Callback Communication - Linux
producthighLinux Crypto Mining Pool Connections
producthighCommunication To Ngrok Tunneling Service - Linux
producthighLinux Crypto Mining Indicators
▣

Scoring & Timeline

5.8
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:N/A:P
Published to NVD06 Oct 2015 · 01:59 AM
⚑

Vendor Advisories

13
suse-csafopenSUSE-SU-2024:10181-1
suse-csafSUSE-SU-2016:1311-1
suse-csafSUSE-SU-2016:1247-1
rhsaRHSA-2016:2583Low
rhsaRHSA-2016:0780Moderate
🔗

References & Sources

9
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=2671Issue TrackingPatchVendor Advisory
http://rhn.redhat.com/errata/RHSA-2015-1459.htmlThird Party Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#December_2014_NTP_Security_VulneRelease NotesVendor Advisory
http://www.debian.org/security/2015/dsa-3388Third Party Advisory
http://www.kb.cert.org/vuls/id/852879Third Party AdvisoryUS Government Resource
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlThird Party Advisory
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