CVE-2019-7359 : Exploit Details and Defense Strategies

A vulnerability related to heap overflow has been discovered in various Autodesk software applications, including Autodesk Advance Steel 2018, Autodesk AutoCAD 2018, Autodesk AutoCAD Architecture 2018, Autodesk AutoCAD Electrical 2018, Autodesk AutoCAD Map 3D 2018, Autodesk AutoCAD Mechanical 2018, Autodesk AutoCAD MEP 2018, Autodesk AutoCAD P&ID 2018, Autodesk AutoCAD Plant 3D 2018, Autodesk AutoCAD LT 2018, and Autodesk Civil 3D 2018. Exploitation of this vulnerability occurs when a specially crafted DXF file exceeds the acceptable number of cell margins in an AcCellMargin object, leading to a heap overflow and potentially enabling code execution.

Understanding CVE-2019-7359

This section provides insights into the impact and technical details of CVE-2019-7359.

What is CVE-2019-7359?

CVE-2019-7359 is an exploitable heap overflow vulnerability found in the AcCellMargin handling code of various Autodesk software applications.

The Impact of CVE-2019-7359

The vulnerability could allow an attacker to execute arbitrary code on the affected systems, potentially leading to a compromise of sensitive information or disruption of services.

Technical Details of CVE-2019-7359

This section delves into the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from a heap overflow in the AcCellMargin handling code of the specified Autodesk software versions.

Affected Systems and Versions

Autodesk Advance Steel 2018
Autodesk AutoCAD 2018
Autodesk AutoCAD Architecture 2018
Autodesk AutoCAD Electrical 2018
Autodesk AutoCAD Map 3D 2018
Autodesk AutoCAD Mechanical 2018
Autodesk AutoCAD MEP 2018
Autodesk AutoCAD P&ID 2018
Autodesk AutoCAD Plant 3D 2018
Autodesk AutoCAD LT 2018
Autodesk Civil 3D 2018

Exploitation Mechanism

Exploitation occurs when a specially crafted DXF file with an excessive number of cell margins in an AcCellMargin object triggers a heap overflow, potentially enabling malicious code execution.

Mitigation and Prevention

To address CVE-2019-7359, users and organizations should take immediate steps and implement long-term security practices.

Immediate Steps to Take

Apply security patches provided by Autodesk promptly.
Avoid opening DXF files from untrusted or unknown sources.
Monitor Autodesk's security advisories for updates and recommendations.

Long-Term Security Practices

Regularly update and patch Autodesk software to mitigate known vulnerabilities.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Ensure that all affected Autodesk software versions are updated with the latest security patches to prevent exploitation of the heap overflow vulnerability.