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Ubuntu 20.04 LTS: USN-4410-1 Critical: Net-SNMP DoS Issue

ubuntu
Calendar Grey July 2, 2020
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-4410-1 describes a vulnerability in Net-SNMP that may lead to crashes when handling specially crafted inputs. An update is available to rectify this issue.
Net-SNMP could be made to crash if it received specially crafted input.

Summary

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

input.

Software Description:

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

Details:

A double-free bug was discovered in snmpd server. An authenticated user could

potentially cause a DoS by sending a crafted request to the server.

(CVE-2019-20892)

Topics%20covered

Topics Covered

security advisory security issue remote code execution DoS Ubuntu net-snmp

Update Instructions

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

Ubuntu 20.04 LTS:
  libsnmp-base                    5.8+dfsg-2ubuntu2.1
  libsnmp-perl                    5.8+dfsg-2ubuntu2.1
  libsnmp35                       5.8+dfsg-2ubuntu2.1
  snmpd                           5.8+dfsg-2ubuntu2.1

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

References

https://ubuntu.com/security/notices/USN-4410-1

CVE-2019-20892

Severity
critical
Lowest
Low
Medium
High
Critical

July 02, 2020

Topics%20covered

Topics Covered

security advisory security issue remote code execution DoS Ubuntu net-snmp

Package Information

https://launchpad.net/ubuntu/+source/net-snmp/5.8+dfsg-2ubuntu2.1

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