Blue Coat ProxySG Host Header Processing May Let Remote Users Bypass Security Restrictions
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SecurityTracker Alert ID: 1021781 |
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SecurityTracker URL: http://securitytracker.com/id/1021781
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CVE Reference:
CVE-2009-1211
(Links to External Site)
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Updated: Apr 2 2009
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Original Entry Date: Mar 3 2009
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Impact:
Host/resource access via network
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Vendor Confirmed: Yes Exploit Included: Yes
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Version(s): All versions
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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.
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Impact:
A remote user may be able to bypass security restrictions to connect to arbitrary hosts via the ProxySG device.
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Solution:
The vendor has described a workaround in their advisory.
The vendor's advisory is available at:
https://hypersonic.bluecoat.com/support/securityadvisories/ProxySG_in_transparent_deployments
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Vendor URL: hypersonic.bluecoat.com/support/securityadvisories/ProxySG_in_transparent_deployments (Links to External Site)
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Cause:
Access control error
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Underlying OS:
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Message History:
None.
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Source Message Contents
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Date: Tue, 3 Mar 2009 08:21:01 -0500
Subject: ProxySG in transparent deployments intercepting HTTP/HTTPS traffic
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https://hypersonic.bluecoat.com/support/securityadvisories/ProxySG_in_transparent_deployments
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