Ubuntu: 2166-1 Critical: Net-SNMP Service Interruption Vulnerabilities

ubuntu

April 14, 2014

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

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:

Ken Farnen discovered that Net-SNMP incorrectly handled AgentX timeouts. A

remote attacker could use this issue to cause the server to crash or to

hang, resulting in a denial of service. (CVE-2012-6151)

It was discovered that the Net-SNMP ICMP-MIB incorrectly validated input. A

remote attacker could use this issue to cause the server to crash,

resulting in a denial of service. This issue only affected Ubuntu 13.10.

(CVE-2014-2284)

Viliam Púčik discovered that the Net-SNMP perl trap handler incorrectly

handled NULL arguments. A remote attacker could use this issue to cause the

server to crash, resulting in a denial of service. (CVE-2014-2285)

It was discovered that Net-SNMP incorrectly handled AgentX multi-object

requests. A remote attacker could use this issue to ...

Read the Full Advisory

Topics Covered

security advisory denial of service critical ubuntu net-snmp network issue

Update Instructions

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

Ubuntu 13.10:
  libsnmp30                       5.7.2~dfsg-8ubuntu1.1

Ubuntu 12.10:
  libsnmp15                       5.4.3~dfsg-2.5ubuntu1.1

Ubuntu 12.04 LTS:
  libsnmp15                       5.4.3~dfsg-2.4ubuntu1.2

Ubuntu 10.04 LTS:
  libsnmp15                       5.4.2.1~dfsg0ubuntu1-0ubuntu2.3

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