Windows 10: NSA Reveals Major Flaw in Microsoft's Code
martyb writes:
Windows 10: NSA reveals major flaw in Microsoft's code:
The US National Security Agency (NSA) has revealed a major flaw in Windows 10 that could have been used by hackers to create malicious software that looked legitimate.
Microsoft is expected to issue a patch later and to say that the bug has not been exploited by hackers.
The issue was revealed during an NSA press conference.
It was not clear how long it had known about it before revealing it to Microsoft.
Brian Krebs, the security expert who first reported the revelation[*], said the software giant had already sent the patch to branches of the US military and other high-level users. It was, he wrote, "extraordinarily scary".
The problem exists in a core component of Windows known as crypt32.dll, a program that allows software developers to access various functions, such as digital certificates which are used to sign software.
It could, in theory, have allowed a hacker to pass off a piece of malicious software as being entirely legitimate.
[*] Cryptic Rumblings Ahead of First 2020 Patch Tuesday.
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