1. Ubuntu Security Notices
  2. USN-5795-2

USN-5795-2: Net-SNMP vulnerabilities

Publication date

16 January 2023

Overview

Several security issues were fixed in Net-SNMP.

Releases

Packages

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

Details

USN-5795-1 and 5543-1 fixed several vulnerabilities in Net-SNMP. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory 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.

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.

USN-5795-1 and 5543-1 fixed several vulnerabilities in Net-SNMP. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory 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.

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

In general, a standard system update will 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
16.04 xenial snmp –  5.7.3+dfsg-1ubuntu4.6+esm1  
libsnmp30 –  5.7.3+dfsg-1ubuntu4.6+esm1  
snmpd –  5.7.3+dfsg-1ubuntu4.6+esm1  
14.04 trusty snmp –  5.7.2~dfsg-8.1ubuntu3.3+esm3  
libsnmp30 –  5.7.2~dfsg-8.1ubuntu3.3+esm3  
snmpd –  5.7.2~dfsg-8.1ubuntu3.3+esm3  

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References

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