Glype proxy local address filter bypass

From: Securify B.V. <lists@securify.nl>
To: bugtraq@securityfocus.com
Cc:
Subject: Glype proxy local address filter bypass
Date:


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Glype proxy local address filter bypass
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Securify, September 2014

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Abstract
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A vulnerability has been identified in the Glype web-based proxy. Glype
has a filter to disallow users from surfing to local addresses, to
prevents users from attacking the local server/network Glype is running
on. The filter can easily be bypassed by using IPs in decimal form.

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Affected versions
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This issue has been identified in Glype 1.4.9. Older version are most
likely affected as well.

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Fix
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Glype was informed and a fixed version (1.4.10) is now available at
www.glype.com

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Details
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http://www.securify.nl/advisory/SFY20140902/glype_proxy_local_address_filter_bypass.html





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