CVE-2018-18065 Null dereference in n/a
An authenticated attacker can crash the Net-SNMP agent remotely via a crafted UDP packet due to a null pointer dereference.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-18065?
CVE-2018-18065 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 8 Oct 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
_set_key in agent/helpers/table_container.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.
Weakness: CWE-476
Which versions are affected by CVE-2018-18065?
It affects 10 products.
Linux distribution packages (13)
net-snmp SUSE:Enterprise Storage 4 | All versions | 5.7.3-6.3.1 |
net-snmp SUSE:Linux Enterprise Desktop 12 SP3 | All versions | 5.7.3-6.3.1 |
net-snmp SUSE:Linux Enterprise Module for Basesystem 15 | All versions | 5.7.3-7.3.1 |
net-snmp SUSE:Linux Enterprise Server 12 SP1-LTSS | All versions | 5.7.3-6.3.1 |
net-snmp SUSE:Linux Enterprise Server 12 SP2-BCL | All versions | 5.7.3-6.3.1 |
net-snmp SUSE:Linux Enterprise Server 12 SP2-LTSS | All versions | 5.7.3-6.3.1 |
net-snmp SUSE:Linux Enterprise Server 12 SP3 | All versions | 5.7.3-6.3.1 |
net-snmp SUSE:Linux Enterprise Server 12-LTSS | All versions | 5.7.2.1-4.9.1 |
net-snmp SUSE:Linux Enterprise Server for SAP Applications 12 SP1 | All versions | 5.7.3-6.3.1 |
net-snmp SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 5.7.3-6.3.1 |
net-snmp SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 5.7.3-6.3.1 |
net-snmp SUSE:Linux Enterprise Software Development Kit 12 SP3 | All versions | 5.7.3-6.3.1 |
net-snmp SUSE:OpenStack Cloud 7 | All versions | 5.7.3-6.3.1 |
Products include Canonical Ubuntu Linux, Debian Debian Linux, Net-Snmp Net-Snmp, Netapp Cloud Backup, Netapp Data Ontap, Netapp E-Series Santricity Os Controller and 4 more.
How do I fix CVE-2018-18065?
Upgrade to a fixed version.
Is CVE-2018-18065 being exploited?
There is no known exploitation of CVE-2018-18065 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-18065, DLA-1540-1, DSA-4314-1, GHSA-j2x7-g8jc-3475, SUSE-SU-2018:3319-1, SUSE-SU-2018:3333-1 and 4 more.