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Category:   Device (Router/Bridge/Hub)  >   Blue Coat ProxySG Vendors:   Blue Coat Systems
Blue Coat ProxySG Host Header Processing May Let Remote Users Bypass Security Restrictions
SecurityTracker Alert ID:  1021781
SecurityTracker URL:
CVE Reference:   CVE-2009-1211   (Links to External Site)
Updated:  Apr 2 2009
Original Entry Date:  Mar 3 2009
Impact:   Host/resource access via network
Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): All versions
Description:   A vulnerability was reported in Blue Coat ProxySG. A remote user may be able to bypass security restrictions.

When configured in transparent mode, a remote user that can cause the target user's browser to inject a specially crafted HTTP Host header value can cause the ProxySG to connect to the host specified in the Host header. This can be exploited by the remote user to connect to servers via the ProxySG device.

Impact:   A remote user may be able to bypass security restrictions to connect to arbitrary hosts via the ProxySG device.
Solution:   The vendor has described a workaround in their advisory.

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error

Message History:   None.

 Source Message Contents

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