CVE-2021-44423 : Security Advisory and Response

An out-of-bounds read vulnerability exists when reading a BMP file using Open Design Alliance (ODA) Drawings Explorer before 2022.12, allowing attackers to execute code in the current process.

Understanding CVE-2021-44423

What is CVE-2021-44423?

This CVE describes an out-of-bounds read vulnerability in Open Design Alliance (ODA) Drawings Explorer when processing BMP files, potentially leading to code execution.

The Impact of CVE-2021-44423

The vulnerability can be exploited by an attacker to execute arbitrary code within the context of the current process.

Technical Details of CVE-2021-44423

Vulnerability Description

Unchecked input data from a crafted BMP file causes an out-of-bounds read, posing a security risk.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions before 2022.12 are affected

Exploitation Mechanism

The issue occurs after loading BMP files with unchecked input data from maliciously crafted BMP files, leading to an out-of-bounds read that can be leveraged for code execution.

Mitigation and Prevention

Immediate Steps to Take

Update Open Design Alliance (ODA) Drawings Explorer to version 2022.12 or later
Avoid opening BMP files from untrusted sources

Long-Term Security Practices

Regularly update software and apply patches promptly
Conduct security assessments to identify and mitigate vulnerabilities

Patching and Updates

Open Design Alliance (ODA) released a fix in version 2022.12 to address this vulnerability