CVE-2022-32961 Explained : Impact and Mitigation

A stack-based buffer overflow vulnerability has been identified in the HiCOS’ client-side citizen digital certificate software, allowing unauthenticated attackers to execute arbitrary code and manipulate system data.

Understanding CVE-2022-32961

This vulnerability affects the HiCOS’ client-side citizen digital certificate software due to insufficient parameter length validation, posing a significant risk to system security.

What is CVE-2022-32961?

HiCOS’ client-side citizen digital certificate component is prone to a stack-based buffer overflow vulnerability when reading IC card token information, enabling physical attackers to exploit the system.

The Impact of CVE-2022-32961

With a CVSS base score of 6.8 and a severity level rated as MEDIUM, this vulnerability can result in high impacts on confidentiality, availability, and integrity if exploited. Attackers can execute arbitrary code or disrupt services.

Technical Details of CVE-2022-32961

The CVE-2022-32961 vulnerability falls under CWE-787 (Out-of-bounds Write) and has a CVSS v3.1 base score of 6.8 with a low complexity physical attack vector.

Vulnerability Description

The stack-based buffer overflow vulnerability in the HiCOS’ client-side citizen digital certificate software stems from insufficient parameter length validation in token information read operations.

Affected Systems and Versions

The affected platforms include Linux, Windows, and macOS running HiCOS’ client-side citizen digital certificate versions <=11 3.0.3.30306, <=11 3.1.0.00002, and <=11 3.0.3.30404 respectively.

Exploitation Mechanism

An unauthenticated physical attacker can trigger the stack-based buffer overflow vulnerability by crafting malicious IC card token information, enabling the execution of arbitrary code or unauthorized manipulation of system data.

Mitigation and Prevention

To address CVE-2022-32961, immediate steps must be taken to reduce the risk of exploitation and ensure long-term security.

Immediate Steps to Take

Users are advised to download the latest version of HiCOS’ client-side citizen digital certificate software to mitigate the vulnerability.

Long-Term Security Practices

Regularly update the software, implement security best practices, and monitor for any signs of unauthorized activity to enhance overall system security.

Patching and Updates

Stay informed about security patches and updates released by the vendor to address vulnerabilities promptly and strengthen the security posture of the system.