USN-190-2: ucs-snmp vulnerability

21 November 2005

ucd-snmp vulnerability

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

  • Ubuntu 5.10
  • Ubuntu 5.04
  • Ubuntu 4.10

Software Description


USN-190-1 fixed a vulnerability in the net-snmp library. It was discovered that the same problem also affects the ucs-snmp implementation (which is used by the Cyrus email server).

Original advisory:

A remote Denial of Service has been discovered in the SMNP (Simple Network Management Protocol) library. If a SNMP agent uses TCP sockets for communication, a malicious SNMP server could exploit this to crash the agent. Please note that by default SNMP uses UDP sockets.

Update instructions

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

Ubuntu 5.10
Ubuntu 5.04
Ubuntu 4.10

To update your system, please follow these instructions: