CVE-2019-13496 Explained : Impact and Mitigation

One Identity Cloud Access Manager before version 8.1.4 Hotfix 1 is susceptible to an OTP bypass vulnerability that can be exploited using a man-in-the-middle attack.

Understanding CVE-2019-13496

An OTP bypass vulnerability in One Identity Cloud Access Manager allows attackers to manipulate SAML responses.

What is CVE-2019-13496?

The vulnerability in One Identity Cloud Access Manager enables attackers to bypass OTP by intercepting and modifying SAML responses.

The Impact of CVE-2019-13496

This vulnerability poses a significant security risk as it allows malicious actors to forge successful SAML responses, potentially leading to unauthorized access.

Technical Details of CVE-2019-13496

One Identity Cloud Access Manager is affected by an OTP bypass vulnerability that can be exploited through a man-in-the-middle attack.

Vulnerability Description

The vulnerability in One Identity Cloud Access Manager before version 8.1.4 Hotfix 1 allows attackers to bypass OTP by manipulating SAML responses.

Affected Systems and Versions

Product: One Identity Cloud Access Manager
Versions affected: Prior to 8.1.4 Hotfix 1

Exploitation Mechanism

Attackers exploit the vulnerability using a man-in-the-middle technique
Involves the One Identity Defender product
Substituting a failed SAML response with a forged successful SAML response

Mitigation and Prevention

Steps to address and prevent the CVE-2019-13496 vulnerability in One Identity Cloud Access Manager.

Immediate Steps to Take

Apply the necessary security patches and updates provided by One Identity
Monitor SAML responses for any suspicious activity

Long-Term Security Practices

Implement strong encryption and authentication mechanisms
Conduct regular security audits and assessments

Patching and Updates

Update One Identity Cloud Access Manager to version 8.1.4 Hotfix 1 or later to mitigate the OTP bypass vulnerability.