C#


ROSLYN.SECURITY.CA3061 : Do Not Add Schema By URL (C#)

See Roslyn-Detected C# Warning Classes for more information.

Summary

This overload of XmlSchemaCollection.Add method internally enables DTD processing on the XML reader instance used, and uses UrlResolver for resolving external XML entities. The outcome is information disclosure. Content from file system or network shares for the machine processing the XML can be exposed to attacker. In addition, an attacker can use this as a DoS vector.

This check corresponds to Roslyn rule CA3061. For full rule details, see the Microsoft website: CA3061.

Properties

Class Name Do Not Add Schema By URL (C#)
Significance security
Mnemonic ROSLYN.SECURITY.CA3061
Categories None
Availability Available for C# only.
Enabling Checks for this warning class are enabled by default. To disable them, add the following WARNING_FILTER rule to the project configuration file.
WARNING_FILTER += discard class="Do Not Add Schema By URL (C#)"

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.