1. Ubuntu Security Notices
  2. USN-5543-1

USN-5543-1: Net-SNMP vulnerabilities

Publication date

1 August 2022

Overview

Several security issues were fixed in Net-SNMP.

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.

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.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 jammy libsnmp40 –  5.9.1+dfsg-1ubuntu2.2
snmp –  5.9.1+dfsg-1ubuntu2.2
libsnmp-perl –  5.9.1+dfsg-1ubuntu2.2
snmpd –  5.9.1+dfsg-1ubuntu2.2
20.04 focal snmp –  5.8+dfsg-2ubuntu2.4
libsnmp-perl –  5.8+dfsg-2ubuntu2.4
snmpd –  5.8+dfsg-2ubuntu2.4
libsnmp35 –  5.8+dfsg-2ubuntu2.4
18.04 bionic libsnmp-perl –  5.7.3+dfsg-1.8ubuntu3.7
snmp –  5.7.3+dfsg-1.8ubuntu3.7
libsnmp30 –  5.7.3+dfsg-1.8ubuntu3.7
snmpd –  5.7.3+dfsg-1.8ubuntu3.7

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References

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