CVE-2023-33222 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2023-33222, a vulnerability affecting IDEMIA's products.

Understanding CVE-2023-33222

CVE-2023-33222 involves a stack-based buffer overflow vulnerability that could result in a potential Remote Code Execution on the targeted device.

What is CVE-2023-33222?

When handling contactless cards, a specific function is used to obtain additional information. However, this function fails to check the boundary on the data received during reading, leading to a stack-based buffer overflow. This could potentially allow attackers to execute remote code on the affected device.

The Impact of CVE-2023-33222

The vulnerability poses a medium-severity threat with a CVSS base score of 6.8. It has a high impact on availability, confidentiality, and integrity of the affected systems. The issue falls under CAPEC-100 Overflow Buffers and CWE-121 Stack-based Buffer Overflow.

Technical Details of CVE-2023-33222

Vulnerability Description

The vulnerability arises when handling contactless cards, enabling a stack-based buffer overflow due to unchecked data boundaries during reading.

Affected Systems and Versions

The following IDEMIA products are affected:

SIGMA Lite & Lite + (Versions less than 4.15.5)
SIGMA Wide (Versions less than 4.15.5)
SIGMA Extreme (Versions less than 4.15.5)
MorphoWave Compact/XP (Versions less than 2.12.2)
VisionPass (Versions less than 2.12.2)
MorphoWave SP (Versions less than 1.2.7)

Exploitation Mechanism

The vulnerability can be exploited through a stack-based buffer overflow, potentially leading to Remote Code Execution on the affected device.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk associated with CVE-2023-33222:

Update affected products to versions that fix the stack-based buffer overflow.
Implement additional security measures to prevent unauthorized access.
Monitor and restrict access to vulnerable systems.

Long-Term Security Practices

In the long term, maintain regular software updates and security patches for all systems and devices to address vulnerabilities promptly.

Patching and Updates

Stay informed about security advisories from IDEMIA and promptly apply patches and updates to address known vulnerabilities.