[USN-1444-1] BackupPC vulnerability

Jamie Strandboge jamie at canonical.com
Thu May 17 22:48:11 UTC 2012


==========================================================================
Ubuntu Security Notice USN-1444-1
May 17, 2012

backuppc vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS

Summary:

BackupPC could be made to expose sensitive information over the network.

Software Description:
- backuppc: high-performance, enterprise-grade system for backing up PCs

Details:

It was discovered that BackupPC did not properly sanitize its input when
processing RestoreFile error messages, resulting in a cross-site
scripting (XSS) vulnerability. With cross-site scripting vulnerabilities,
if a user were tricked into viewing server output during a crafted server
request, a remote attacker could exploit this to modify the contents, or
steal confidential data, within the same domain.

Update instructions:

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

Ubuntu 12.04 LTS:
  backuppc                        3.2.1-2ubuntu1.1

Ubuntu 11.10:
  backuppc                        3.2.1-1ubuntu1.2

Ubuntu 11.04:
  backuppc                        3.2.0-3ubuntu4.3

Ubuntu 10.04 LTS:
  backuppc                        3.1.0-9ubuntu1.3

Ubuntu 8.04 LTS:
  backuppc                        3.0.0-4ubuntu1.4

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

References:
  http://www.ubuntu.com/usn/usn-1444-1
  CVE-2011-5081

Package Information:
  https://launchpad.net/ubuntu/+source/backuppc/3.2.1-2ubuntu1.1
  https://launchpad.net/ubuntu/+source/backuppc/3.2.1-1ubuntu1.2
  https://launchpad.net/ubuntu/+source/backuppc/3.2.0-3ubuntu4.3
  https://launchpad.net/ubuntu/+source/backuppc/3.1.0-9ubuntu1.3
  https://launchpad.net/ubuntu/+source/backuppc/3.0.0-4ubuntu1.4


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