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Message-ID: <F6242D340921D5118D1E00508BB9837A03AAC727@tlnmail1.toplayer.com>
From: kquest at toplayer.com (kquest@...layer.com)
Subject: SecurityFocus found a vulnerability in IIS

> This is not an unspecified remote DoS.
> This is related to the vulnerabilities discovered by EEYE.
> The reason the exploit caused a DoS is because the OpenSSL
> vulnerabilities and vulnerabilities discovered by EEYE overlap.
> They both have a length integer overflow. I actually believe that
> EEYE discovered their vulnerabilities right after the OpenSSL
> vulnerabilities came out. They ran their PoC code against
> IIS and discovered a DoS (just like this bid reports). Then they
> dug a bit deeper and now we have those multiple MS ASN.1 vulnerabilities
> that everybody is talking about. It was pretty much a no brainer for them.
> 
> 
> Kyle
> 
> --------------------------------------------------------------------------
> --------------------------------
Hello, 
I was browsing through the findings of SecurityFocus and found the
following: 
BID 9660 - "Microsoft IIS Unspecified Remote Denial Of Service
Vulnerability" 
It seems that using an OpenSSL ASN.1 brute force tool IIS 5.0 can be brought
to a halt. 
<dramatic> 
So ... 
does MS use OpenSSL code? 
Has anyone tested this on hosts running a more current version of IIS? 
Has anyone used this tool on other "critical apps", VPNs anyone? 
Is this tool the holy grail of ASN.1 testing? 
Is this tool the cause that eEye has about 7 vulnerabilities waiting to be
disclosed? 
These are the questions running through my head, bouncing against my scull,
searching for an answer. 
Is there someone on this list that can help me out? 
</dramatic> 
greetings 
Bone Machine 

  



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