CVE-2022-32960 : What You Need to Know

HiCOS’ client-side citizen digital certificate component has a stack-based buffer overflow vulnerability that allows an unauthenticated attacker to execute arbitrary code.

Understanding CVE-2022-32960

This vulnerability affects Linux, Windows, and macOS platforms using HiCOS’ client-side citizen digital certificate.

What is CVE-2022-32960?

HiCOS’ client-side citizen digital certificate has a stack-based buffer overflow vulnerability due to insufficient parameter length validation, allowing attackers to run arbitrary code.

The Impact of CVE-2022-32960

The vulnerability poses a medium severity risk with high impact on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2022-32960

The vulnerability is classified as CWE-787 (Out-of-bounds Write). It has a CVSS v3.1 base score of 6.8, with low attack complexity and requires physical access to exploit.

Vulnerability Description

The stack-based buffer overflow occurs when reading an IC card, enabling malicious actors to manipulate system data or disrupt services.

Affected Systems and Versions

Linux: Version <= 11 3.0.3.30306
Windows: Version <= 11 3.1.0.00002
macOS: Version <= 11 3.0.3.30404

Exploitation Mechanism

An unauthenticated physical attacker can leverage the insufficient parameter length validation for card numbers to trigger the buffer overflow and execute malicious code.

Mitigation and Prevention

To mitigate this vulnerability, users are advised to download the latest version of HiCOS’ client-side citizen digital certificate.

Immediate Steps to Take

Download the latest version provided by the vendor.

Long-Term Security Practices

Regularly update software and implement security best practices.

Patching and Updates

Stay informed about security updates and promptly apply patches to secure systems.