U.S. Homeland Security Urges Windows users to Apply Patch

In a rare alert, the U.S. Department of Homeland Security has urged Windows users to plug a potential worm hole in the Microsoft operating system. The agency, which also runs the United States Computer Emergency Readiness Team (US-CERT), sent out a news release on Wednesday recommending that people apply Microsoft's MS06-040 patch as quickly as possible. The software maker released the "critical" fix Tuesday as part of its monthly patch cycle.

"Users are encouraged to avoid delay in applying this security patch," the Department of Homeland Security said in the statement. The patch fixes a serious flaw that, if exploited, could enable an attacker to remotely take complete control of an affected system, the agency said.

Microsoft on Tuesday issued a dozen security bulletins, nine of which were tagged "critical," the company's highest severity rating. However, the flaw addressed in MS06-040 is the only one in the updates that could let an anonymous attacker remotely commandeer a Windows PC without any user interaction.

The flaw has some similarities to the Windows bug that enabled the notorious MSBlast worm to spread in 2003. Both security vulnerabilities are related to a Windows component called "remote procedure call," which provides support for networking features such as file sharing and printer sharing.

Link: DHS Press Release
View: Full Story @ C|Net

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