CVE-2019-13013 : Security Advisory and Response

Little Snitch versions 4.3.0 to 4.3.2 have a vulnerability that allows local privilege escalation in their privileged helper tool, potentially granting root-level access to directory listings and file copying.

Understanding CVE-2019-13013

This CVE identifies a security flaw in Little Snitch versions 4.3.0 to 4.3.2 that could be exploited for local privilege escalation.

What is CVE-2019-13013?

The vulnerability in Little Snitch versions 4.3.0 to 4.3.2 enables unauthorized users to gain root-level access through the privileged helper tool's XPC interface.

The Impact of CVE-2019-13013

The vulnerability poses a risk of unauthorized users accessing sensitive directory listings and copying files with elevated privileges.

Technical Details of CVE-2019-13013

Little Snitch versions 4.3.0 to 4.3.2 are affected by a local privilege escalation vulnerability in the privileged helper tool.

Vulnerability Description

The privileged helper tool's XPC interface in the affected versions allows any process to achieve root-level access, compromising system security.

Affected Systems and Versions

Product: Little Snitch
Versions: 4.3.0 to 4.3.2

Exploitation Mechanism

The vulnerability can be exploited by leveraging the XPC interface of the privileged helper tool to gain unauthorized root access.

Mitigation and Prevention

To address CVE-2019-13013, users should take immediate steps and adopt long-term security practices.

Immediate Steps to Take

Disable or restrict access to the privileged helper tool in affected versions.
Monitor system logs for any suspicious activities indicating unauthorized access.

Long-Term Security Practices

Regularly update Little Snitch to the latest version to patch known vulnerabilities.
Implement least privilege principles to limit access rights and prevent unauthorized escalation.
Conduct security audits to identify and address potential vulnerabilities.
Educate users on safe computing practices to mitigate security risks.

Patching and Updates

Ensure timely installation of security patches and updates provided by the vendor to mitigate the vulnerability in Little Snitch versions 4.3.0 to 4.3.2.