USN-1137-1: Eucalyptus vulnerability

Ubuntu Security Notice USN-1137-1

26th May, 2011

eucalyptus, rampart vulnerability

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

  • Ubuntu 11.04
  • Ubuntu 10.10
  • Ubuntu 10.04 LTS


An attacker could send crafted input to Eucalyptus to run commands as a valid user.

Software description

  • eucalyptus - Elastic Utility Computing Architecture
  • rampart - Apache web services security engine


Juraj Somorovsky, Jorg Schwenk, Meiko Jensen and Xiaofeng Lou discovered
that Eucalyptus did not properly validate SOAP requests. An unauthenticated
remote attacker could exploit this to submit arbitrary commands to the
Eucalyptus SOAP interface in the context of an authenticated user.

Update instructions

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

Ubuntu 11.04:
librampart0 1.3.0-1ubuntu2.1
eucalyptus-cloud 2.0.1+bzr1256-0ubuntu4.1
Ubuntu 10.10:
librampart0 1.3.0-1ubuntu1.1
eucalyptus-cloud 2.0+bzr1241-0ubuntu4.2
Ubuntu 10.04 LTS:
librampart0 1.3.0-0ubuntu7.1
eucalyptus-cloud 1.6.2-0ubuntu30.5

To update your system, please follow these instructions:

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