SonyBMG backtracks on buggy bug fix

09-12-2005

by The Register

SonyBMG has admitted that a patch for flawed content protection software included with some of its CDs actually creates more problems for users.

The academics who have uncovered the latest security hole say the only way Sony can dig itself out is to recall all the CDs that shipped with the flaky software.

The hapless media giant snuggled up to the Electronic Frontier Foundation earlier in the week to admit that Sunncomm MediaMax content protection software on some of its CDs could leave users' PCs open to hijacking by unauthorised users. It instructed users to download a patch from MediaMax.

Now, academics at Princeton University have found that the patch itself suffers from the same bug, though in a slightly different way. They have advised users to not install the patch and indeed to not insert the affected disk in a PC under any circumstance, and the EFF and Sony have gotten behind them.

Professor Ed Felten and Alex Halderman said the problem is "just as bad" as the DRM rootkit which is carried on other CDs and caused a furore last month.

They go on to say that each CD sitting on a shelf is effectively a ticking timebomb, and the only way for Sony to really sort the problem is to recall all the affected discs.

Only the very paranoid would suggest that advice to not insert an audio CD into a PC delivers exactly the level of "content protection" Sony and the other music giants have been gunning for all this time.

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