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Metadata

ID: csharp-security/ldap-injection

Language: C#

Severity: Warning

Category: Security

CWE: 90

Description

Unvalidated user inputs may lead to LDAP injection. Always escape characters in your LDAP queries. Do not build LDAP queries manually.

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Non-Compliant Code Examples

public class MyController : Controller
{
    public bool userExists(string user, string pass)
    {
        DirectoryEntry directory  = new DirectoryEntry();
        DirectorySearcher directorySearch  = new DirectorySearcher(directory);

        directorySearch.Filter = "(&(uid=" + user + ")(userPassword=" + pass + "))";

        return directorySearch.FindOne() != null;
    }
}
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