CVE-2025-24749 in EZPZ SAML SP Single Sign On Plugin
Summary
by MITRE • 01/31/2025
Cross-Site Request Forgery (CSRF) vulnerability in Overt Software Solutions LTD EZPZ SAML SP Single Sign On (SSO) allows Cross Site Request Forgery. This issue affects EZPZ SAML SP Single Sign On (SSO): from n/a through 1.2.5.
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Analysis
by VulDB Data Team • 02/06/2025
The CVE-2025-24749 vulnerability represents a critical Cross-Site Request Forgery flaw within the EZPZ SAML SP Single Sign On implementation developed by Overt Software Solutions LTD. This vulnerability exists in versions ranging from the initial release through 1.2.5 of the software. The flaw specifically impacts the authentication and authorization mechanisms of the SSO system, potentially allowing malicious actors to execute unauthorized actions on behalf of authenticated users. The vulnerability arises from insufficient validation of request origins and lack of proper anti-CSRF token implementation within the SAML assertion processing flow.
The technical implementation of this CSRF vulnerability stems from the absence of robust origin validation and anti-CSRF protection mechanisms within the SAML service provider's request handling process. When users authenticate through the SAML SSO system, the application should verify that requests originate from legitimate sources and contain appropriate security tokens to prevent unauthorized transaction execution. However, the EZPZ SAML SP implementation fails to adequately validate the authenticity of requests, allowing attackers to craft malicious requests that appear to originate from legitimate users within the authenticated session. This weakness operates at the intersection of web application security and identity management protocols, where the SAML assertion processing lacks proper cryptographic verification or token-based authentication mechanisms.
The operational impact of this vulnerability extends beyond simple unauthorized access scenarios to encompass potential session hijacking, privilege escalation, and unauthorized configuration changes within the SAML SSO environment. An attacker exploiting this vulnerability could perform actions such as modifying user permissions, accessing restricted resources, or even completely compromising user sessions within the SAML ecosystem. The vulnerability is particularly concerning in enterprise environments where SSO systems serve as central authentication points, as it could enable attackers to gain elevated privileges across multiple applications that rely on the compromised SAML service provider. The attack surface includes any functionality within the SAML SP that accepts and processes authentication requests, potentially affecting user account management, access control policies, and session termination processes.
Security mitigations for CVE-2025-24749 should focus on implementing robust anti-CSRF token mechanisms throughout the SAML assertion processing workflow. Organizations should ensure that all SAML request handlers validate the originating source of authentication requests and implement unique, time-bound tokens for each user session. The solution involves deploying proper CSRF token generation and validation logic within the SAML service provider implementation, following established security frameworks such as those recommended by OWASP and the CWE-352 category for CSRF vulnerabilities. Additionally, implementing proper Content Security Policy headers and Origin validation checks can provide additional layers of protection against cross-site request forgery attacks targeting the SAML authentication flow. The remediation should align with ATT&CK framework techniques related to credential access and privilege escalation through web application vulnerabilities, ensuring that the fix addresses the root cause rather than merely patching symptoms. Organizations should also consider implementing monitoring and logging mechanisms to detect anomalous authentication request patterns that might indicate CSRF attack attempts against their SAML SSO infrastructure.