CVE-2021-34333 : Security Advisory and Response
Discover the details of CVE-2021-34333 affecting Siemens JT2Go & Teamcenter Visualization software versions before V13.2. Learn about the impact, technical description, affected systems, exploitation risks, and mitigation strategies.
A vulnerability has been identified in JT2Go and Teamcenter Visualization software versions prior to V13.2, allowing for a denial of service attack due to improper validation of user-supplied data in BMP file parsing.
Understanding CVE-2021-34333
This CVE discloses a security flaw in Siemens' JT2Go and Teamcenter Visualization software that could lead to a denial of service scenario.
What is CVE-2021-34333?
The vulnerability in JT2Go and Teamcenter Visualization software lies in the BMP_Loader.dll library, where a lack of proper validation of user-supplied data when parsing BMP files could result in a double free of an allocated buffer, leading to a crash and potential exploitation by attackers.
The Impact of CVE-2021-34333
The impact of this vulnerability allows an attacker to exploit the flaw to potentially cause a denial of service condition, affecting the availability of the affected software instances.
Technical Details of CVE-2021-34333
This section details the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability arises due to inadequate validation of user-supplied data during BMP file parsing, resulting in a double free vulnerability that can be exploited for a denial of service attack.
Affected Systems and Versions
JT2Go and Teamcenter Visualization software versions lower than V13.2 are affected by this vulnerability.
Exploitation Mechanism
An attacker can create a malformed input BMP file to trigger the double free vulnerability in the BMP_Loader.dll library, leading to a crash and potential denial of service condition.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-34333, immediate action and long-term security practices are recommended.
Immediate Steps to Take
Users are advised to apply patches and updates provided by Siemens promptly to address the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implement robust input validation processes and ensure software components are regularly updated to prevent similar vulnerabilities.
Patching and Updates
Regularly check for security updates and patches released by Siemens for JT2Go and Teamcenter Visualization to secure your systems against potential threats.