Vulnerability Monitor

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CVE-2019-8936

NTP through 4.2.8p12 has a NULL Pointer Dereference.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 6 products from netapp, from netapp, from fedoraproject and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-05-15T16:29:01.223

Last Modified

2024-11-21T04:50:41.733

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	netapp	clustered_data_ontap	< 9.2	Yes
Operating System	netapp	data_ontap	-	Yes
Operating System	fedoraproject	fedora	28	Yes
Operating System	fedoraproject	fedora	29	Yes
Operating System	fedoraproject	fedora	30	Yes
Operating System	opensuse	leap	15.0	Yes
Operating System	opensuse	leap	42.3	Yes
Application	hpe	hpux-ntp	< c.4.2.8.4.0	Yes
Application	ntp	ntp	< 4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes

References

http://bugs.ntp.org/show_bug.cgi?id=3565 Exploit, Issue Tracking, Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00032.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00036.html Mailing List, Third Party Advisory ([email protected])
http://packetstormsecurity.com/files/152915/FreeBSD-Security-Advisory-FreeBSD-SA-19-04.ntp.html Third Party Advisory, VDB Entry ([email protected])
http://support.ntp.org/bin/view/Main/SecurityNotice Release Notes, Vendor Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2NVS2CSG2TQ663CXOZZUJN4STQPMENNP/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JBGXY7OKWOLT6X6JAPVZRFEP4FLCGGST/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQDNHNYOJK2SRSGO23GQ2RXTOUY2HLNN/ ([email protected])
https://seclists.org/bugtraq/2019/May/39 Issue Tracking, Mailing List, Third Party Advisory ([email protected])
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:04.ntp.asc Mitigation, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201903-15 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20190503-0001/ Patch, Third Party Advisory ([email protected])
https://support.f5.com/csp/article/K61363039 Third Party Advisory ([email protected])
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us Third Party Advisory ([email protected])
https://usn.ubuntu.com/4563-1/ ([email protected])
http://bugs.ntp.org/show_bug.cgi?id=3565 Exploit, Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00032.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00036.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/152915/FreeBSD-Security-Advisory-FreeBSD-SA-19-04.ntp.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://support.ntp.org/bin/view/Main/SecurityNotice Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2NVS2CSG2TQ663CXOZZUJN4STQPMENNP/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JBGXY7OKWOLT6X6JAPVZRFEP4FLCGGST/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQDNHNYOJK2SRSGO23GQ2RXTOUY2HLNN/ (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2019/May/39 Issue Tracking, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:04.ntp.asc Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201903-15 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20190503-0001/ Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K61363039 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4563-1/ (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For netapp's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.