Microsoft flaw fix opens users to attack

Microsoft continued to work on Tuesday to create a fix for an exploitable flaw introduced by the company's latest security update to Internet Explorer.

The flaw, initially thought to only crash Internet Explorer, actually allows an attacker to run code on computers running Windows 2000 and Windows XP Service Pack 1 that have applied the August cumulative update to Internet Explorer 6 Service Pack 1, security firm eEye Digital Security told SecurityFocus on Tuesday.

The update, released on 8 August, fixed eight security holes but also introduced a bug of its own, according to Marc Maiffret, chief hacking officer for the security firm, which notified Microsoft last week that the issue is exploitable.

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