jbruinaud / WebGoatNet

WebGoat .Net for demos
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CX SQL_Injection @ WebGoatCoins/Autocomplete.ashx.cs [master] #203

Open jbruinaud opened 4 years ago

jbruinaud commented 4 years ago

SQL_Injection issue exists @ WebGoatCoins/Autocomplete.ashx.cs in branch master

The application's GetCustomerEmails method executes an SQL query with da, at line 558 of App_Code\DB\MySqlDbProvider.cs. The application constructs this SQL query by embedding an untrusted string into the query without proper sanitization. The concatenated string is submitted to the database, where it is parsed and executed accordingly. The attacker would be able to inject arbitrary data into the SQL query, by simply altering the user input Request, which is read by the ProcessRequest method at line 20 of WebGoatCoins\Autocomplete.ashx.cs. This input then flows through the code to the database server, without sanitization. This may enable an SQL Injection attack.

Severity: High

CWE:89

Checkmarx

Lines: 25


Code (Line #25):

            string query = context.Request["query"];