CVE-2018-18748 : Security Advisory and Response

In version 5.26, Sandboxie has a vulnerability where an escape from the sandbox can be achieved by using the "import os" statement, along with either os.system("cmd") or os.system("powershell"), within a .py file. The vendor disputes this claim, stating that the observed behavior aligns with the intended functionality of the product.

Understanding CVE-2018-18748

This CVE entry highlights a disputed vulnerability in Sandboxie version 5.26.

What is CVE-2018-18748?

CVE-2018-18748 refers to a potential sandbox escape in Sandboxie 5.26 using specific commands within a .py file, which the vendor contests as intended behavior.

The Impact of CVE-2018-18748

The vulnerability could allow an attacker to escape the sandbox environment, potentially leading to unauthorized system access or malicious activities.

Technical Details of CVE-2018-18748

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability in Sandboxie 5.26 involves executing commands like os.system("cmd") or os.system("powershell") after an "import os" statement in a .py file, enabling sandbox escape.

Affected Systems and Versions

Product: Sandboxie
Vendor: N/A
Version: 5.26

Exploitation Mechanism

The exploit involves leveraging specific commands within a .py file to break out of the sandbox environment.

Mitigation and Prevention

Protecting systems from CVE-2018-18748 requires immediate actions and long-term security practices.

Immediate Steps to Take

Monitor for vendor updates or patches addressing the vulnerability.
Limit the execution of potentially harmful commands within sandboxed environments.

Long-Term Security Practices

Regularly update Sandboxie to the latest version to mitigate known vulnerabilities.
Implement strict controls on script execution within sandboxed environments.

Patching and Updates

Stay informed about vendor responses and patches to address the disputed vulnerability in Sandboxie 5.26.