USN-1465-1: Ubuntu One Client vulnerability

Releases

• Ubuntu 12.04
• Ubuntu 11.10
• Ubuntu 11.04
• Ubuntu 10.04

Packages

• ubuntuone-client - Ubuntu One client

Details

It was discovered that the Ubuntu One Client incorrectly validated server
certificates when using HTTPS connections. If a remote attacker were able
to perform a machine-in-the-middle attack, this flaw could be exploited to
alter or compromise confidential information.

Update instructions

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

Ubuntu 12.04

• python-ubuntuone-client - 3.0.0-0ubuntu1.1

Ubuntu 11.10

• python-ubuntuone-client - 2.0.1-0ubuntu1.1

Ubuntu 11.04

• python-ubuntuone-client - 1.6.2-0ubuntu2.1

Ubuntu 10.04

• python-ubuntuone-client - 1.2.2-0ubuntu2.2

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

References

• CVE-2011-4409

Related notices

• USN-1465-2: python-ubuntuone-storageprotocol, ubuntuone-storage-protocol
• USN-1465-3: ubuntuone-client, python-ubuntuone-client