Ubuntu 22.10, 22.04 LTS: USN-5795-1 Critical: Net-SNMP DoS Warning

ubuntu

January 9, 2023

Net-SNMP could be made to crash if it received specially crafted network traffic.

Summary

Net-SNMP could be made to crash if it received specially crafted network

traffic.

Software Description:

- net-snmp: SNMP (Simple Network Management Protocol) server and applications

Details:

It was discovered that Net-SNMP incorrectly handled certain requests. A

remote attacker could possibly use these issues to cause Net-SNMP to crash,

resulting in a denial of service.

Topics Covered

security advisory denial of service critical ubuntu net-snmp

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.10:
   libsnmp40                       5.9.3+dfsg-1ubuntu1.2
   snmp                            5.9.3+dfsg-1ubuntu1.2
   snmpd                           5.9.3+dfsg-1ubuntu1.2

Ubuntu 22.04 LTS:
   libsnmp40                       5.9.1+dfsg-1ubuntu2.4
   snmp                            5.9.1+dfsg-1ubuntu2.4
   snmpd                           5.9.1+dfsg-1ubuntu2.4

Ubuntu 20.04 LTS:
   libsnmp35                       5.8+dfsg-2ubuntu2.6
   snmp                            5.8+dfsg-2ubuntu2.6
   snmpd                           5.8+dfsg-2ubuntu2.6

Ubuntu 18.04 LTS:
   libsnmp30                       5.7.3+dfsg-1.8ubuntu3.8
   snmp                            5.7.3+dfsg-1.8ubuntu3.8
   snmpd                           5.7.3+dfsg-1.8ubuntu3.8

In general, a standard system update will make all the necessary changes.