[Full-disclosure] Recent claims that windows update is broken

[Dan Kaminsky]

On Thu, Sep 8, 2011 at 2:55 AM, Georgi Guninski <guninski at guninski.com>wrote:

> http://www.theregister.co.uk/2011/09/07/diginotar_hacker_proof/
> "I'm able to issue windows update," he [Comodohacker] wrote. "Microsoft's
> statement about Windows Update and that I can't issue such update is totally
> false!"
>
> The original Comodohacker statement is at: http://pastebin.com/85WV10EL
>
> Is this true?
>

For the record, no.  Windows Update doesn't just depend on WinVerifyTrust,
it also calls CertVerifyCertificateChainPolicy with
the CERT_CHAIN_POLICY_MICROSOFT_ROOT flag, documented here:

http://msdn.microsoft.com/en-us/library/aa377163(v=vs.85).aspx



>
> --
> joro
>
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