CVE-2024-21643

IdentityModel Extensions for .NET provide assemblies for web developers that wish to use federated identity providers for establishing the caller's identity. Anyone leveraging the SignedHttpRequestprotocol or the SignedHttpRequestValidatoris vulnerable. Microsoft.IdentityModel trusts the jkuclaim...

CVE-2024-21643

The CVE-2024-21643 issue affects IdentityModel Extensions for .NET (Microsoft.IdentityModel.Protocols.SignedHttpRequest) where the SignedHttpRequest protocol/validator trusts the jku claim by default, enabling remote/local HTTP GET requests. Multiple sources confirm this vulnerability and identif...

Authorization Bypass

Overview Microsoft.IdentityModel.Protocols.SignedHttpRequest is a package that includes types that provide support for the SignedHttpRequest protocol Affected versions of this package are vulnerable to Authorization Bypass via the SignedHttpRequest protocol or the SignedHttpRequestValidator. The...

Microsoft.IdentityModel.Protocols.SignedHttpRequest remote code execution vulnerability

Impact What kind of vulnerability is it? Who is impacted? Anyone leveraging the SignedHttpRequestprotocol or the SignedHttpRequestValidatoris vulnerable. Microsoft.IdentityModel trusts the jkuclaim by default for the SignedHttpRequestprotocol. This raises the possibility to make any remote or loc...