CVE-2020-28385 : What You Need to Know

A vulnerability has been identified in Solid Edge SE2020 and SE2021, affecting all versions below specific releases. The issue stems from inadequate validation of user-supplied data, potentially leading to code execution.

Understanding CVE-2020-28385

This CVE pertains to a vulnerability in Siemens' Solid Edge software versions SE2020 and SE2021.

What is CVE-2020-28385?

The vulnerability arises from a lack of proper validation of user-supplied data when parsing DFT files in affected applications. This flaw could allow an attacker to execute code within the current process.

The Impact of CVE-2020-28385

Exploitation of this vulnerability could result in an out-of-bounds write past the end of an allocated structure, enabling malicious actors to execute arbitrary code.

Technical Details of CVE-2020-28385

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows for an out-of-bounds write due to improper validation of user-supplied data during DFT file parsing.

Affected Systems and Versions

Product: Solid Edge SE2020
Vendor: Siemens
Affected Versions: All versions < SE2020MP13
Product: Solid Edge SE2021
Vendor: Siemens
Affected Versions: All Versions < SE2021MP4

Exploitation Mechanism

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

Mitigation and Prevention

Protecting systems from CVE-2020-28385 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches provided by Siemens promptly.
Monitor Siemens' security advisories for updates and guidance.

Long-Term Security Practices

Implement robust input validation mechanisms.
Conduct regular security assessments and audits.

Patching and Updates

Ensure that the affected Solid Edge versions are updated to SE2020MP13 and SE2021MP4 or later to mitigate the vulnerability.