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==========================================================================
Ubuntu Security Notice USN-2166-1
April 14, 2014

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

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

- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

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 cause the server to
hang, resulting in a denial of service. This issue only affected Ubuntu
10.04 LTS, Ubuntu 12.04 LTS and Ubuntu 12.10. (CVE-2014-2310)

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.

References:
  http://www.ubuntu.com/usn/usn-2166-1
  CVE-2012-6151, CVE-2014-2284, CVE-2014-2285, CVE-2014-2310

Package Information:
  https://launchpad.net/ubuntu/+source/net-snmp/5.7.2~dfsg-8ubuntu1.1
  https://launchpad.net/ubuntu/+source/net-snmp/5.4.3~dfsg-2.5ubuntu1.1
  https://launchpad.net/ubuntu/+source/net-snmp/5.4.3~dfsg-2.4ubuntu1.2
  https://launchpad.net/ubuntu/+source/net-snmp/5.4.2.1~dfsg0ubuntu1-0ubuntu2.3



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