CVSS 3.1 Score 7.5 of 10 (high)


Published Mar 6, 2024
CWE ID 287


CVE-2023-48703 is a vulnerability found in the RobotsAndPencils go-saml library, a SAML client library written in Go. This vulnerability allows for an authentication bypass due to the way the xmlsec1 command line tool is called internally. Attackers can exploit this vulnerability by signing SAML assertions themselves and providing the required public key directly embedded in the SAML token. Organizations using RobotsAndPencils/go-saml should either switch to another SAML library or remove support for SAML from their projects. A temporary fix involves forking the go-saml project and adding the command line argument --enabled-key-data when calling the xmlsec1 binary in the verify function. The potential danger of this vulnerability lies in unauthorized access to sensitive information and potential impersonation within an organization's authentication system.

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