Source code leak linked to Microsoft partner

FRAMINGHAM (02/13/2004) - The Windows 2000 source code that was leaked to the Internet originated from a Microsoft Corp. partner and not the software giant itself, according to the BetaNews.com Web site.

In addition, the NTBugtraq Web site is reporting that the Windows NT code leak includes all of NT 4.0 Service Pack 3 and its more than 27,000 files.

BetaNews, a Windows-focused Web site, reported that the Windows 2000 code in the leaked archive was licensed to Mainsoft, which develops tools that allow developers to port Windows applications to Unix. In an ironic twist, the code, which was for Windows 2000 Service Pack 1, allegedly was removed from a Linux computer used by Mainsoft for development, according to the story.

"All the NT 4.0 Service Pack 3 code is out there now," says Russ Cooper moderator of the NTBugtraq Web site and surgeon general for security firm TruSecure. But he does not think that it represents a monumental security risk.

"People have been hammering on NT, and I don't think the source codes means that people will find more vulnerabilities. There are 27,000 files. Where do you start and what year do you plan to finish? And it is SP3, not 6a," says Cooper.

In fact, Cooper says the source code leaks don't represent any significant new risk. He says his only concern might be the PKI module that was leaked in the Windows 2000 code. "There, people may find more ways to break the trust model," he says.

Cooper says network administrators should be "as vigilant as you've always been; this is not a new risk you have to address."

A Microsoft spokesperson would not comment on the BetaNews report on Mainsoft because Microsoft is conducting an ongoing investigation. The investigation includes the FBI. She said partner Mainsoft is not a part of the Shared Source Initiative, which makes portions of source code available to customers, partners and governments.

"It is important to note that this leak is not a result of a breach in Microsoft's network, security or Shared Source Initiative," said Stacy Drake, a Microsoft corporate public relations manager.

Mainsoft officials were available for comment.

Mainsoft on its Web site says it has had a strategic partnership with Microsoft since 1994 and has unparalleled access to Windows source code.

BetaNews reported that it is not known how the 30,195 files escaped Mainsoft, which uses the code for its Visual MainWin product.

NTBugtraq's Cooper confirmed that there are three references to Mainsoft as the licensee in the leaked Windows 2000 code, but said there is a possibility that someone could have maliciously inserted the Mainsoft reference in place of the name of the original licensee. Cooper said there are no references to Mainsoft in the Windows NT 4.0 code.

Mainsoft has more than 1.4 million licenses of its software, including Microsoft, Siebel Systems Inc., Computer Associates International Inc. and IBM Corp./Rational Software.

BetaNews.com reported that the Windows 2000 code represented only select portions of the Windows source code, which will likely limit the damage that could be done by hackers who gain access to the code.

Microsoft on Thursday confirmed that some of its secret source code for Windows NT and 2000 had been leaked on the Internet, but the company downplayed the potential security concerns that the code will provide hackers a wide-open avenue to search for and exploit vulnerabilities. Microsoft said the leak represents some 15 percent of Windows source code.

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