The report is called "Government and IT - 'A Recipe For Rip-Offs': Time For A New Approach". You can read it here.
Here's one quote to give you a flavour. This is Cabinet Office Minister Francis Maude speaking to the Committee:
the quality of our central data is very poor. When we were renegotiating contracts last summer with the biggest suppliers, the central data was woefully inadequate, and we only got the data in the first instance by asking the suppliers themselves.