[USN-5543-1] Net-SNMP vulnerabilities

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-5543-1
August 01, 2022

net-snmp vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Net-SNMP.

Software Description:
- 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.

Update instructions:

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

Ubuntu 22.04 LTS:
  libsnmp-perl                    5.9.1+dfsg-1ubuntu2.2
  libsnmp40                       5.9.1+dfsg-1ubuntu2.2
  snmp                            5.9.1+dfsg-1ubuntu2.2
  snmpd                           5.9.1+dfsg-1ubuntu2.2

Ubuntu 20.04 LTS:
  libsnmp-perl                    5.8+dfsg-2ubuntu2.4
  libsnmp35                       5.8+dfsg-2ubuntu2.4
  snmp                            5.8+dfsg-2ubuntu2.4
  snmpd                           5.8+dfsg-2ubuntu2.4

Ubuntu 18.04 LTS:
  libsnmp-perl                    5.7.3+dfsg-1.8ubuntu3.7
  libsnmp30                       5.7.3+dfsg-1.8ubuntu3.7
  snmp                            5.7.3+dfsg-1.8ubuntu3.7
  snmpd                           5.7.3+dfsg-1.8ubuntu3.7

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

References:
  https://ubuntu.com/security/notices/USN-5543-1
  CVE-2022-24805, CVE-2022-24806, CVE-2022-24807, CVE-2022-24808,
  CVE-2022-24809, CVE-2022-24810

Package Information:
  https://launchpad.net/ubuntu/+source/net-snmp/5.9.1+dfsg-1ubuntu2.2
  https://launchpad.net/ubuntu/+source/net-snmp/5.8+dfsg-2ubuntu2.4
  https://launchpad.net/ubuntu/+source/net-snmp/5.7.3+dfsg-1.8ubuntu3.7
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