CVE-2020-26155 : What You Need to Know

Utimaco SecurityServer 4.20.0.4 and 4.31.1.0 have a vulnerability that allows non-administrator users to manipulate binaries due to weak permissions.

Understanding CVE-2020-26155

Multiple files and folders in Utimaco SecurityServer have incorrect permissions, potentially leading to a DLL hijacking attack.

What is CVE-2020-26155?

The vulnerability in Utimaco SecurityServer versions 4.20.0.4 and 4.31.1.0 allows authenticated users to manipulate binaries and perform DLL hijacking attacks.

The Impact of CVE-2020-26155

The vulnerability enables non-administrator users to modify binaries, posing a security risk for the system. Attackers could exploit this to execute malicious code through DLL hijacking.

Technical Details of CVE-2020-26155

The technical aspects of the vulnerability in Utimaco SecurityServer.

Vulnerability Description

Files and folders in Utimaco SecurityServer have incorrect permissions for authenticated users.
PATH environment variable entries exacerbate the issue, potentially enabling DLL hijacking.

Affected Systems and Versions

Utimaco SecurityServer versions 4.20.0.4 and 4.31.1.0 are impacted.

Exploitation Mechanism

Non-administrator users can manipulate binaries due to weak permissions.
Attackers can exploit the PATH environment variable to perform DLL hijacking attacks.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-26155 vulnerability.

Immediate Steps to Take

Restrict access to vulnerable systems to authorized personnel only.
Monitor system logs for any suspicious activities.
Implement the principle of least privilege to limit user permissions.

Long-Term Security Practices

Regularly update and patch Utimaco SecurityServer to the latest version.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches provided by Utimaco promptly to fix the vulnerability and enhance system security.