USN-1137-1: Eucalyptus vulnerability

26 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

Summary

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

Details

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 versions:

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References