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SurfControl Nested ZIP Bypass Vulnerability
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Secunia Advisory:
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SA9314
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Release Date:
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2003-07-21
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Last Update:
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2003-08-04
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Popularity:
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7,249 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | SurfControl E-mail Filter for SMTP 4.x
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Description:
A vulnerability has been identified in SurfControl E-Mail filter for SMTP allowing malicious people to create an archive which can bypass the filter.
The problem is that SurfControl fails to check more than 15 ZIP archives which are stored in one ZIP archive. This allows number 16 and the following to contain malicious files.
The vulnerability has been reported in version 4.6.
Solution:
Create a filter which disallows ZIP files.
Reportedly, this will be fixed in version 4.7.
http://www.surfcontrol.com
Provided and/or discovered by:
Lee Bowyer
Changelog:
2003-08-04: Updated information in "Solution" section.
Original Advisory:
http://networkpenetration.com/surfcontrolsmtp46.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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