USN-2166-1: Net-SNMP vulnerabilities

14 April 2014

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

Releases

Packages

  • 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
Ubuntu 12.10
Ubuntu 12.04
Ubuntu 10.04

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