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pstotext Filename Shell Command Injection Vulnerability
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Secunia Advisory:
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SA20012
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Release Date:
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2006-05-08
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Popularity:
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5,227 views
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | pstotext 1.x
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Description:
Brian May has reported a vulnerability in pstotext, which potentially can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to an error in sanitising the filename supplied via the command line. This can be exploited to execute arbitrary commands when pstotext is run with a specially crafted command line that contains shell commands.
Successful exploitation requires that pstotext is run with command line input from non-trusted sources e.g. via a CGI application.
The vulnerability has been reported in version 1.9. Other versions may also be affected.
Solution:
Sanitise user supplied filenames before passing them as command line arguments to pstotext.
Provided and/or discovered by:
Brian May
Original Advisory:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=356988
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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.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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