CVE-2018-18065: Null Pointer Dereference

Published Oct 8, 2018
·
Updated

setkey in agent/helpers/tablecontainer.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

Affected Software

18 affected componentsFixes available
F5 BIG-IQ Centralized Management>=8.2.0<=8.3.0
Net-SNMP Net-SNMP<5.8
Debian Debian Linux=9.0
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
NetApp Cloud Backup
NetApp Hyper Converged Infrastructure
NetApp StorageGRID Webscale
NetApp Data ONTAP
NetApp E-Series SANtricity OS Controller>=11.0<=11.5
NetApp Solidfire Element Os
Palo Alto Networks PAN-OS<=7.1.22
Palo Alto Networks PAN-OS>=7.1.23<=8.0.15
Palo Alto Networks PAN-OS>=8.0.16<=8.1.6
debian/net-snmp
5.9+dfsg-4+deb11u15.9+dfsg-4+deb11u35.9.3+dfsg-25.9.3+dfsg-2+deb12u15.9.4+dfsg-25.9.4+dfsg-2+deb13u15.9.5.2+dfsg-2.1

Event History

Oct 8, 2018
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
Data Sourced
via NVD·06:29 PM
RemedyDescriptionSeverityWeaknessAffected Software
Oct 9, 2018
Data Sourced
08:21 AM
SeverityAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·10:55 PM
Description
Mar 24, 2025
Advisory Published
via F5·03:39 PM
Feb 20, 2026
Data Sourced
via Ubuntu·06:03 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·06:04 PM
DescriptionAffected Software
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Frequently Asked Questions

1

What is CVE-2018-18065?

CVE-2018-18065 is a vulnerability in Net-SNMP that allows an authenticated attacker to remotely crash an instance via a crafted UDP packet, resulting in denial of service.

2

How severe is CVE-2018-18065?

CVE-2018-18065 has a severity score of 6.5, which is considered medium.

3

Which software versions are affected by CVE-2018-18065?

Net-SNMP versions before 5.8 are affected by CVE-2018-18065.

4

How can I fix CVE-2018-18065?

To fix CVE-2018-18065, update Net-SNMP to version 5.8 or higher.

5

Where can I find more information about CVE-2018-18065?

You can find more information about CVE-2018-18065 at the following references: [Link 1](https://security-tracker.debian.org/tracker/CVE-2018-18065), [Link 2](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18065), [Link 3](https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/)

Contact

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