FW: MS04-11, SSL, and ISA Server
From: Kim, Cameron (CKim_at_MDEA.COM)
Date: 05/04/04
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Date: Tue, 4 May 2004 10:16:14 -0700 To: NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM
I found this response to be very interesting. Thought people might want
to know.
Cameron Kim
Mitsubishi Digital Electronics America
-----Original Message-----
From: Kayne Ian (Softlab) [mailto:Ian.Kayne@softlab.co.uk]
Sent: Tuesday, May 04, 2004 3:42 AM
To: Kim, Cameron
Subject: RE: MS04-11, SSL, and ISA Server
Yes, it is vulnerable in every scenario. I've personally verified this
using the remote shell exploit floating around. In one of the MS
bulletins they state that ISA can prevent this vuln when all packet
filters are enabled - I found this NOT to be true. ISA remained
vulnerable. After the patch is installed, ISA starts logging SChannel
errors when the vuln is attempted to be exploited.
HTH.
> -----Original Message-----
> From: Kim, Cameron [mailto:CKim@MDEA.COM]
> Sent: 29 April 2004 02:12
> To: NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM
> Subject: MS04-11, SSL, and ISA Server
>
>
> Can this DoS be performed against an ISA server which proxies the SSL
> connections? Most of the reports and comments have mentioned the fact
> that DoS can be performed against IIS servers using SSL connections.
> But I am not sure if the ISA Server 2000 web proxy actually uses the
> Microsoft SSL Library. One would suppose so...
>
> Cameron Kim
> Mitsubishi Digital Electronics America
>
> -----
> Earn up to 10 credit course hours toward the TruSecure ICSA
> Practitioner (TICSA) Credential and receive a TICSA exam coupon by
> attending the Infosecurity Canada 2004 conference.
> Featured speaker, Marcus J. Ranum, TruSecure inventor of the proxy
> firewall will present on June 3 at 11:30 AM. Visit
<https://ticsa.trusecure.com> for certification details and
<http://www.infosecuritycanada.com> for conference information. Become
TICSA certified and see what happens!
-----
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-----
Earn up to 10 credit course hours toward the TruSecure ICSA Practitioner (TICSA) Credential and receive a TICSA exam coupon by attending the Infosecurity Canada 2004 conference. Featured speaker, Marcus J. Ranum, TruSecure inventor of the proxy firewall will present on June 3 at 11:30 AM. Visit <https://ticsa.trusecure.com> for certification details and <http://www.infosecuritycanada.com> for conference information. Become TICSA certified and see what happens!
-----
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