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Ubuntu Security Notice USN-3792-2
October 16, 2018

net-snmp vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 ESM

Summary:

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

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

Details:

USN-3792-1 fixed a vulnerability in Net-SNMP. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that Net-SNMP incorrectly handled certain certain
 crafted packets. A remote attacker could possibly use this issue to
 cause Net-SNMP to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 12.04 ESM:
  libsnmp15                       5.4.3~dfsg-2.4ubuntu1.4

In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3792-2
  https://usn.ubuntu.com/usn/usn-3792-1
  CVE-2018-18065