CVE-2020-28383 : Security Advisory and Response

A vulnerability has been identified in JT2Go, Solid Edge SE2020, Solid Edge SE2021, and Teamcenter Visualization. Affected applications lack proper validation of user-supplied data when parsing PAR files, leading to an out-of-bounds write vulnerability that could be exploited by attackers to execute code in the current process.

Understanding CVE-2020-28383

This CVE identifies a critical vulnerability in multiple Siemens products that could allow attackers to execute arbitrary code.

What is CVE-2020-28383?

The vulnerability arises from insufficient validation of user-supplied data during the parsing of PAR files in the affected Siemens applications.

The Impact of CVE-2020-28383

The vulnerability could enable attackers to perform an out-of-bounds write, potentially leading to code execution within the context of the affected process.

Technical Details of CVE-2020-28383

Siemens products, including JT2Go, Solid Edge SE2020, Solid Edge SE2021, and Teamcenter Visualization, are affected by this vulnerability.

Vulnerability Description

The vulnerability stems from a lack of proper validation of user-supplied data during PAR file parsing, allowing for an out-of-bounds write beyond the memory location.

Affected Systems and Versions

JT2Go: All versions < V13.1.0.1
Solid Edge SE2020: All Versions < SE2020MP12
Solid Edge SE2021: All Versions < SE2021MP2
Teamcenter Visualization: All versions < V13.1.0.1

Exploitation Mechanism

Attackers can exploit this vulnerability by providing malicious input to trigger an out-of-bounds write, potentially leading to code execution.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Apply security patches provided by Siemens promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor for any suspicious activities on the affected systems.

Long-Term Security Practices

Regularly update and patch all software and applications to mitigate known vulnerabilities.
Conduct security training for employees to raise awareness of potential threats and best practices.

Patching and Updates

Siemens has released patches to address this vulnerability. Ensure that all affected systems are updated with the latest security fixes.