CVE-2024-9489 in AutoCAD
Summary
by MITRE • 10/30/2024
A maliciously crafted DWG file when parsed in ACAD.exe through Autodesk AutoCAD can force a Memory Corruption vulnerability. A malicious actor can leverage this vulnerability to cause a crash, write sensitive data, or execute arbitrary code in the context of the current process.
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Analysis
by VulDB Data Team • 03/02/2025
The vulnerability identified as CVE-2024-9489 represents a critical memory corruption flaw within Autodesk AutoCAD's handling of DWG files through the ACAD.exe process. This issue arises from insufficient input validation and memory management during the parsing of maliciously crafted DWG file structures. The vulnerability specifically affects Autodesk AutoCAD applications where the ACAD.exe executable processes DWG drawing files, creating a potential attack surface for adversaries who can manipulate file contents to trigger unintended behavior. The flaw manifests when the application attempts to parse malformed DWG data structures, leading to improper memory handling that can result in various security outcomes including application crashes, data corruption, or more severely arbitrary code execution.
The technical exploitation of this vulnerability stems from improper bounds checking and memory allocation routines within AutoCAD's DWG file parser. When ACAD.exe encounters a specially crafted DWG file containing malformed data structures, the parsing engine fails to properly validate memory access patterns, leading to buffer overflows or other memory corruption conditions. This type of vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflow scenarios. The memory corruption occurs during the file parsing phase when the application attempts to allocate memory for various DWG elements without adequate validation of input parameters, allowing attackers to manipulate memory layout and potentially redirect execution flow.
The operational impact of CVE-2024-9489 extends beyond simple application instability to encompass potential full system compromise. An attacker who successfully exploits this vulnerability can execute arbitrary code within the security context of the AutoCAD process, potentially gaining access to sensitive system resources and data. This represents a significant risk for organizations relying on AutoCAD for engineering and design work, as the vulnerability can be triggered through simple file opening operations. The attack vector is particularly concerning because it requires no user interaction beyond opening the malicious file, making it susceptible to phishing campaigns or supply chain attacks where compromised DWG files are distributed through legitimate channels. The vulnerability affects organizations across multiple sectors including architecture, engineering, and construction where AutoCAD is extensively used, creating widespread potential impact.
Mitigation strategies for CVE-2024-9489 should prioritize immediate patching from Autodesk as the primary defense mechanism, while implementing additional protective measures during the interim period. Organizations should consider deploying file filtering mechanisms that can detect and quarantine suspicious DWG file patterns before they reach the AutoCAD application. Network-based intrusion detection systems should be configured to monitor for unusual file access patterns that might indicate exploitation attempts. The ATT&CK framework categorizes this vulnerability under T1203, which covers exploitation for execution, and T1059, covering command and scripting interpreter usage, highlighting the need for comprehensive endpoint protection. System administrators should also implement least privilege principles for AutoCAD users, ensuring that the application runs with minimal necessary permissions to reduce potential damage from successful exploitation. Regular security assessments and vulnerability scanning should be conducted to identify any unpatched systems within the organization's attack surface, particularly focusing on legacy AutoCAD installations that may not receive timely updates.