CVE-2019-8936

HIGH

Netapp Clustered Data Ontap < 9.2 - NULL Pointer Dereference

Title source: rule
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-8936. PoCs published by snappyJack.

AI-analyzed exploit summary This PoC exploits CVE-2019-8936 by sending a malformed UDP packet to trigger a buffer overflow in the target software. The payload is crafted to manipulate memory and potentially achieve remote code execution.

Description

NTP through 4.2.8p12 has a NULL Pointer Dereference.

Exploits (1)

nomisec WORKING POC
by snappyJack · poc
https://github.com/snappyJack/CVE-2019-8936

This PoC exploits CVE-2019-8936 by sending a malformed UDP packet to trigger a buffer overflow in the target software. The payload is crafted to manipulate memory and potentially achieve remote code execution.

Classification
Working Poc 80%
Attack Type
Rce
Complexity
Trivial
Reliability
Theoretical
Target: Unknown (likely a network service vulnerable to UDP-based buffer overflow)
No auth needed
Prerequisites: Network access to the target · Target service running on UDP port 123
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (15)

Core 15
Core References
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201903-15
Release Notes, Vendor Advisory x_refsource_misc
http://support.ntp.org/bin/view/Main/SecurityNotice
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00032.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00036.html
Patch, Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190503-0001/
Mitigation, Third Party Advisory vendor-advisory x_refsource_freebsd
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:04.ntp.asc
Issue Tracking, Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq
https://seclists.org/bugtraq/2019/May/39
Exploit, Issue Tracking, Vendor Advisory x_refsource_confirm
http://bugs.ntp.org/show_bug.cgi?id=3565
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K61363039
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4563-1/

Scores

CVSS v3 7.5
EPSS 0.0573
EPSS Percentile 92.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (10)
fedoraproject/fedora 28
fedoraproject/fedora 29
fedoraproject/fedora 30
hpe/hpux-ntp < c.4.2.8.4.0
netapp/clustered_data_ontap < 9.2
netapp/data_ontap
ntp/ntp 4.2.8 (26 CPE variants)
ntp/ntp < 4.2.8
opensuse/leap 15.0
opensuse/leap 42.3
Published May 15, 2019
Tracked Since Feb 18, 2026