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- Snyk ID SNYK-DOTNET-SYSTEMNETWEBSOCKETSCLIENT-60104
- published 12 May 2017
- disclosed 12 May 2017
- credit Mikhail Shcherbakov
How to fix?
System.Net.WebSockets.Client to version 4.0.1, 4.3.1 or higher.
System.Net.WebSockets.Client provides the System.Net.WebSockets.ClientWebSocket class, which implements the client role of the WebSockets protocol (RFC 6455).
Affected versions of this package are vulnerable to Authentication Bypass attacks. The ASP.NET Core fails to properly sanitize the Web Request Handler component, allowing an attacker to spoof web requests and bypass authentication.