CVE-2021-44015 : What You Need to Know

A vulnerability in JT2Go and Teamcenter Visualization versions prior to V13.2.0.5 allows an attacker to read beyond the allocated buffer, potentially leaking sensitive information.

Understanding CVE-2021-44015

The vulnerability involves the parsing of CGM files by VCRUNTIME140.dll, leading to an out-of-bounds read.

What is CVE-2021-44015?

A flaw in JT2Go and Teamcenter Visualization versions prior to V13.2.0.5 permits an out-of-bounds read, posing an information leakage risk.

The Impact of CVE-2021-44015

The vulnerability could be exploited by an attacker to extract data within the current process context.

Technical Details of CVE-2021-44015

The vulnerability's technical specifics and potential risks.

Vulnerability Description

The issue allows an attacker to perform an out-of-bounds read in VCRUNTIME140.dll when processing specially crafted CGM files.

Affected Systems and Versions

Products: JT2Go, Teamcenter Visualization
Versions affected: All versions prior to V13.2.0.5

Exploitation Mechanism

Attacker crafts malicious CGM files
Exploits VCRUNTIME140.dll to trigger out-of-bounds read

Mitigation and Prevention

Measures to address and prevent the CVE-2021-44015 vulnerability.

Immediate Steps to Take

Update affected software to version V13.2.0.5 or higher
Implement file input validation to prevent malicious CGM file parsing

Long-Term Security Practices

Regularly update software and apply security patches
Conduct security audits and code reviews to detect similar vulnerabilities

Patching and Updates

Siemens has released patches for JT2Go and Teamcenter Visualization to address the vulnerability