PHPGraphy versions less than or equal to 0.9.11 allows unauthorized access to edit functionality.
b5c4deb5daafb5411bb78f64425a0a61c167a5005cc5aa444fc5c8881dca3694- PHPGraphy <= 0.9.11 "editwelcome" unauthorized access / cross site scripting -
--------------------------------
software site: http://phpgraphy.sourceforge.net/
description: "Full featured photo gallery PHP script - Light, fast and easy to
install"
vulnerable code index.php near line 503-10:
...
if ($updwelcome && isset($welcomedata) && check_welcome($dir)) {
if (strlen($welcomedata) < 10000) {
write_welcome($dir,$welcomedata);
echo "<html><script language=\"javascript\">window.opener.location=\"?dir=".rawurlencode($dir)."\";window.close();</script></html>";
} else echo "Sorry more data (10k) than allowed, protection aborting the operation<br />";
exit;
}
...
poc, a remote user can go to this url:
http://[target]/[path]/index.php?dir=&editwelcome=1&popup=0
to have unauthorized access to some edit functionalities and to insert html/
/javascript code or simply deface the main page
temporary patch -> replace this line:
...
if ($updwelcome && isset($welcomedata) && check_welcome($dir)) {
...
with:
...
if ($admin && $updwelcome && isset($welcomedata) && check_welcome($dir)) {
...
--------------------------------------------------------------------------------
rgod
site: http://retrogod.altervista.org
mail: rgod at autistici.org
original advisory: http://retrogod.altervista.org/phpgraphy_0911_adv.html
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