full-disclosure - Re: Unauthorized Digital Certificates Could Allow Spoofing

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Message-ID: <27281793.11592371338819948306.JavaMail.juha-matti.laurio@netti.fi>
Date: Mon, 4 Jun 2012 17:25:47 +0300 (EEST)
From: Juha-Matti Laurio <juha-matti.laurio@...ti.fi>
To: Georgi Guninski <guninski@...inski.com>,
	Shreyas Zare <shreyas@...fence.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Unauthorized Digital Certificates Could Allow
 Spoofing

Certification path of the certificate that was used to sign WUSetupV.exe used by the Flame malware [pic]: 

https://twitter.com/#!/mikko/status/209620723973636096

Juha-Matti

Shreyas Zare [shreyas@...fence.com] wrote: 
> On Mon, Jun 4, 2012 at 7:21 PM, Georgi Guninski <guninski@...inski.com> wrote:
> >
> > http://technet.microsoft.com/en-us/security/advisory/2718704
> > Microsoft is aware of active attacks using unauthorized digital certificates derived from a Microsoft Certificate Authority.
> >
> > what does this mean?
> >
> > m$ inadvertently gave signing rights to lusers, they got rooted
> > or something else?
> 
> 
> https://blogs.technet.com/b/srd/archive/2012/06/03/microsoft-certification-authority-signing-certificates-added-to-the-untrusted-certificate-store.aspx?Redirected=true
> 
> https://www.securityweek.com/microsoft-unauthorized-certificate-was-used-sign-flame-malware
> 
> 
> Shreyas Zare
> 
> Sr. Information Security Researcher
> Secfence Technologies
> www.secfence.com
> 

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