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USN-5543-1: Net-SNMP vulnerabilities

1 August 2022

Several security issues were fixed in Net-SNMP.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

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

Details

Yu Zhang and Nanyu Zhong discovered that Net-SNMP incorrectly handled
memory operations when processing certain requests. A remote attacker could
use this issue to cause Net-SNMP to crash, resulting in a denial of
service, or possibly execute arbitrary code.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04

After a standard system update you need to restart snmpd to make all the
necessary changes.

Related notices

  • USN-5795-2: libsnmp-perl, snmp, python-netsnmp, snmpd, tkmib, net-snmp, libsnmp-dev, snmptrapd, libsnmp30, libsnmp-base