NULL Pointer Dereference in NTP by NTP Project
CVE-2019-8936

7.5HIGH

Key Information:

Vendor
Netapp
Status
Data Ontap
Clustered Data Ontap
Vendor
CVE Published:
15 May 2019

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The NTP (Network Time Protocol) versions up to 4.2.8p12 contain a vulnerability that allows for a NULL pointer dereference. This issue could lead to unexpected behavior, including potential crashes of the NTP service. Organizations using affected versions are encouraged to update their installations to mitigate the risk and maintain system stability.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-8936
Created by snappyJack

References

https://security.gentoo.org/glsa/201903-15
vendor-advisoryx_refsource_GENTOO
http://support.ntp.org/bin/view/Main/SecurityNotice
x_refsource_MISC
http://lists.opensuse.org/opensuse-security-announce/2019...
vendor-advisoryx_refsource_SUSE

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2019-8936 : NULL Pointer Dereference in NTP by NTP Project | SecurityVulnerability.io