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CVE-2025-9449: Use After Free Vulnerability in SOLIDWORKS eDrawings Leads to Arbitrary Code Execution

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Overview

This report provides an in-depth analysis of the recently discovered CVE-2025-9449 vulnerability. This Use After Free vulnerability affects the PAR file reading procedure in SOLIDWORKS eDrawings, specifically version 2025. It is of significant concern as it could allow an attacker to execute arbitrary code while opening a specially crafted PAR file, leading to a potential system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2025-9449
Severity: High (7.8 CVSS Score)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: System compromise and potential data leakage

Affected Products

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Product | Affected Versions

SOLIDWORKS eDrawings | Release SOLIDWORKS Desktop 2025

How the Exploit Works

The vulnerability emerges during the process of reading a PAR file in SOLIDWORKS eDrawings. An attacker can craft a malicious PAR file which, when opened by a user, triggers a Use After Free condition. This condition allows the attacker to execute arbitrary code within the context of the application, leading to a potential system compromise.

Conceptual Example Code

The following conceptual example demonstrates how an attacker might exploit the vulnerability. Note that this is a simplified representation and actual exploit code may vary:

# Create a specially crafted malicious PAR file
echo "malicious_code" > exploit.par
# Trick the user into opening the malicious PAR file in SOLIDWORKS eDrawings
echo "Please open this file in SOLIDWORKS eDrawings for review" | mail -s "Urgent design review needed" -a exploit.par user@example.com

Mitigation

To mitigate this vulnerability, it is strongly recommended to apply the vendor-supplied patch. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure, although this will not completely eliminate the risk. Regularly updating and patching software is a key aspect of maintaining strong cybersecurity practices and reducing the risk of exploitation.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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