CVE-2021-34310 : What You Need to Know

A vulnerability has been identified in JT2Go and Teamcenter Visualization where the Tiff_loader.dll library lacks proper validation, allowing an attacker to execute code in the current process. This CVE has been assigned CWE-787.

Understanding CVE-2021-34310

This CVE affects Siemens' JT2Go and Teamcenter Visualization versions earlier than V13.2. The lack of validation in parsing TIFF files can lead to an out-of-bounds write vulnerability.

What is CVE-2021-34310?

The vulnerability in JT2Go and Teamcenter Visualization allows an attacker to execute code within the current process due to improper validation of user-supplied data in TIFF file parsing.

The Impact of CVE-2021-34310

Exploitation of this vulnerability could result in an out of bounds write past the end of an allocated structure, potentially leading to remote code execution.

Technical Details of CVE-2021-34310

Siemens' JT2Go and Teamcenter Visualization software versions prior to V13.2 are affected by a vulnerability that enables attackers to execute arbitrary code within the application's context.

Vulnerability Description

The Tiff_loader.dll library in the affected applications lacks proper validation of user-supplied data when parsing TIFF files, allowing malicious actors to trigger an out-of-bounds write beyond allocated memory boundaries.

Affected Systems and Versions

All versions of JT2Go and Teamcenter Visualization prior to V13.2 are impacted by this vulnerability.

Exploitation Mechanism

By exploiting the lack of proper data validation in TIFF file parsing, threat actors can abuse this vulnerability to execute arbitrary code within the current process.

Mitigation and Prevention

To address CVE-2021-34310, users are advised to take immediate steps to secure their systems and implement long-term security practices.

Immediate Steps to Take

Apply the latest security updates and patches provided by Siemens for JT2Go and Teamcenter Visualization.
Monitor security advisories and alerts from Siemens for any new information or mitigation strategies.

Long-Term Security Practices

Regularly update and maintain all software applications to mitigate known vulnerabilities.
Conduct security assessments and audits to identify and address potential risks proactively.

Patching and Updates

Stay informed about security updates released by Siemens and promptly apply them to protect your systems from CVE-2021-34310.