CVE-2022-35222 : Vulnerability Insights and Analysis

HiCOS Citizen verification component has a stack-based buffer overflow vulnerability that can be exploited by an unauthenticated physical attacker to execute arbitrary code or disrupt services.

Understanding CVE-2022-35222

This CVE details a stack buffer overflow vulnerability in the HiCOS Citizen verification component affecting multiple platforms.

What is CVE-2022-35222?

The vulnerability in HiCOS Citizen verification component is caused by insufficient parameter length validation, allowing attackers to execute arbitrary code.

The Impact of CVE-2022-35222

With a CVSS base score of 6.8, this vulnerability has a medium severity level and can result in high confidentiality, integrity, and availability impacts without requiring any privileges.

Technical Details of CVE-2022-35222

This section covers specific technical aspects of the CVE.

Vulnerability Description

The vulnerability is a stack-based buffer overflow in the HiCOS Citizen verification component due to lack of parameter length validation.

Affected Systems and Versions

Platforms Affected: Linux, Windows, macOS
Versions Affected:
Linux: libHicos_p11v1.so CHT PKCS#11 3.0.3.30306
Windows: HiCOSPKCS11.dll CHT PKCS#11 3.1.0.00002
macOS: libHicos_p11v1.dylib CHT PKCS#11 3.0.3.30404

Exploitation Mechanism

The stack buffer overflow vulnerability can be exploited by an unauthenticated physical attacker to run arbitrary code or disrupt services without user interaction.

Mitigation and Prevention

Protecting systems from CVE-2022-35222 is crucial for maintaining security.

Immediate Steps to Take

Users are advised to download the latest version of the HiCOS Citizen verification component to mitigate the vulnerability.

Long-Term Security Practices

Regularly update and patch systems to prevent potential exploits and ensure overall security.

Patching and Updates

Stay informed about security updates and apply patches promptly to protect the system.