CyberRota Analysis
AI-GeneratedCoreWCF versions prior to 1.8.1 and 1.9.1 are vulnerable due to a flaw in the SamlSerializer that allows attackers to bypass signature verification for SAML tokens signed with non-X.509 keys. This vulnerability could lead to unauthorized access or manipulation of services relying on SAML token validation. Organizations using affected versions of CoreWCF should prioritize upgrading to the patched versions to mitigate potential security risks.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, SamlSerializer skips final SignatureValue verification when a CoreWCF service validates SAML tokens using a non-X.509 signing token, allowing an attacker to reference a non-X.509 SecurityToken key identifier and bypass assertion signature verification. This issue is fixed in versions 1.8.1 and 1.9.1.