CVE-2020-25507 : Vulnerability Insights and Analysis

TeamworkCloud 18.0 thru 19.0 is vulnerable to an incorrect permission assignment during the installation script, allowing a local unprivileged attacker to execute arbitrary code as root. The vulnerability arises from setting world-writable permissions during installation, enabling unauthorized code execution.

Understanding CVE-2020-25507

This CVE highlights a critical security issue in TeamworkCloud versions 18.0 to 19.0, previously known as Cameo Enterprise Data Warehouse (CEDW).

What is CVE-2020-25507?

An incorrect permission assignment during the installation script of TeamworkCloud 18.0 thru 19.0 allows a local unprivileged attacker to execute arbitrary code as root. The vulnerability stems from setting world-writable permissions during installation, enabling unauthorized code execution.

The Impact of CVE-2020-25507

Local unprivileged attackers can execute arbitrary code as root or as the 'twcloud' user, compromising system integrity.
Unauthorized modification of critical system files can lead to complete system compromise.

Technical Details of CVE-2020-25507

TeamworkCloud's vulnerability involves incorrect permission settings during installation, leading to severe security risks.

Vulnerability Description

The installation script of TeamworkCloud 18.0 thru 19.0 incorrectly assigns permissions, allowing local unprivileged attackers to execute arbitrary code as root or 'twcloud'.

Affected Systems and Versions

TeamworkCloud versions 18.0 to 19.0 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability by writing to specific system files with world-writable permissions, enabling arbitrary code execution.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-25507.

Immediate Steps to Take

Avoid running the affected versions of TeamworkCloud in production environments.
Monitor system files for unauthorized changes.
Implement strict file permission policies to prevent unauthorized access.

Long-Term Security Practices

Regularly update and patch TeamworkCloud to the latest secure versions.
Conduct security audits to identify and address potential vulnerabilities.

Patching and Updates

Apply patches provided by the vendor to fix the incorrect permission assignment vulnerability in TeamworkCloud.