CVE-2019-7442 : Vulnerability Insights and Analysis

A vulnerability known as XML external entity (XXE) has been discovered in the Password Vault Web Access (PVWA) of CyberArk Enterprise Password Vault version 10.7 or earlier. This vulnerability exposes the system to remote attackers, who can exploit it to access files without authorization or potentially bypass the authentication system by using a specially crafted DTD in the SAML authentication system.

Understanding CVE-2019-7442

This CVE-2019-7442 vulnerability affects CyberArk Enterprise Password Vault version 10.7 or earlier.

What is CVE-2019-7442?

CVE-2019-7442 is an XML external entity (XXE) vulnerability in the Password Vault Web Access (PVWA) of CyberArk Enterprise Password Vault version 10.7 or earlier. It allows remote attackers to read arbitrary files or potentially bypass authentication through a crafted DTD in the SAML authentication system.

The Impact of CVE-2019-7442

This vulnerability can lead to unauthorized access to files and potential bypassing of the authentication system, posing a significant security risk to affected systems.

Technical Details of CVE-2019-7442

This section provides more technical insights into the CVE-2019-7442 vulnerability.

Vulnerability Description

The vulnerability in CyberArk Enterprise Password Vault version 10.7 or earlier allows remote attackers to exploit XXE to access files without authorization or potentially bypass authentication using a specially crafted DTD in the SAML authentication system.

Affected Systems and Versions

Product: CyberArk Enterprise Password Vault
Versions affected: 10.7 or earlier

Exploitation Mechanism

The vulnerability can be exploited by remote attackers using a specially crafted DTD in the SAML authentication system to gain unauthorized access to files or potentially bypass the authentication system.

Mitigation and Prevention

Protecting systems from CVE-2019-7442 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update CyberArk Enterprise Password Vault to a patched version that addresses the XXE vulnerability.
Monitor system logs for any suspicious activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent known vulnerabilities.
Implement network segmentation and access controls to limit exposure to potential attacks.

Patching and Updates

Ensure that all systems and software, especially CyberArk Enterprise Password Vault, are regularly updated with the latest security patches to mitigate the risk of XXE vulnerabilities.