CVE-2017-10873 : Security Advisory and Response

OpenAM (Open Source Edition) has a vulnerability that allows attackers to bypass authentication and access unauthorized information. This impacts OpenAM implementations configured as SAML 2.0 IdP.

Understanding CVE-2017-10873

The Open Source Edition of OpenAM has a critical security flaw that can be exploited to circumvent authentication mechanisms.

What is CVE-2017-10873?

The vulnerability in OpenAM (Open Source Edition) enables unauthorized access to information by bypassing authentication.
Specifically affects OpenAM setups configured as SAML 2.0 IdP with authentication method switches based on AuthnContext requests.

The Impact of CVE-2017-10873

Attackers can exploit this vulnerability to gain access to restricted data without proper authentication.

Technical Details of CVE-2017-10873

OpenAM vulnerability details and affected systems.

Vulnerability Description

Allows attackers to bypass authentication and access unauthorized content through unspecified vectors.

Affected Systems and Versions

Product: OpenAM
Vendor: Open Source Solution Technology Corporation
Vulnerable Version: Open Source Edition

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating authentication processes in OpenAM configured as SAML 2.0 IdP.

Mitigation and Prevention

Steps to address and prevent the CVE-2017-10873 vulnerability.

Immediate Steps to Take

Update OpenAM to the latest version that includes a patch for the authentication bypass issue.
Monitor and restrict access to sensitive information until the system is secured.

Long-Term Security Practices

Regularly review and update authentication configurations to prevent similar vulnerabilities.
Conduct security audits to identify and address any potential weaknesses in the authentication process.

Patching and Updates

Apply security patches provided by OpenAM promptly to mitigate the authentication bypass vulnerability.