CVE-2022-28808 in Drawings SDK
Summary
by MITRE • 07/18/2022
An issue was discovered in Open Design Alliance Drawings SDK before 2023.3. An Out-of-Bounds Read vulnerability exists when reading DWG files in a recovery mode. An attacker can leverage this vulnerability to execute code in the context of the current process.
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Analysis
by VulDB Data Team • 08/01/2022
The vulnerability identified as CVE-2022-28808 resides within the Open Design Alliance Drawings SDK, a widely used software development kit for handling CAD drawings in dwg format. This particular flaw manifests in the recovery mode functionality of the SDK, which is designed to parse and reconstruct corrupted or malformed dwg files that would otherwise be unreadable. The issue affects versions prior to 2023.3, indicating a significant window of exposure for systems relying on older implementations. The vulnerability represents a critical security weakness that could be exploited by malicious actors to gain unauthorized code execution privileges within the context of the current process.
The technical nature of this vulnerability constitutes an out-of-bounds read condition that occurs specifically during the processing of dwg files when the SDK operates in recovery mode. This type of flaw typically arises when software attempts to access memory locations beyond the allocated boundaries of a data structure, often due to inadequate input validation or buffer overflow protection mechanisms. In the context of this vulnerability, the recovery mode functionality appears to lack proper bounds checking when parsing malformed dwg file structures, allowing an attacker to craft specially designed input files that trigger memory access violations. The out-of-bounds read condition creates a scenario where arbitrary memory locations can be accessed, potentially exposing sensitive data or providing pathways for code execution.
The operational impact of CVE-2022-28808 extends beyond simple data corruption or application crashes, as it enables remote code execution within the privileges of the running process. This means that an attacker who successfully exploits this vulnerability could potentially execute malicious code with the same permissions as the application that processes dwg files, which could include system-level privileges depending on how the software is deployed. The attack surface is particularly concerning for applications that automatically process user-uploaded dwg files, such as document management systems, CAD collaboration platforms, or any software that accepts dwg file inputs without proper sanitization. The vulnerability's exploitation could lead to complete system compromise, data exfiltration, or further lateral movement within network environments where such applications are deployed.
Organizations should prioritize immediate remediation by upgrading to Open Design Alliance Drawings SDK version 2023.3 or later, which contains the necessary patches to address the out-of-bounds read vulnerability. System administrators should also implement additional defensive measures including input validation for all dwg file processing, sandboxing of file parsing operations, and network segmentation to limit potential attack impact. Security monitoring should be enhanced to detect unusual file processing patterns or memory access anomalies that could indicate exploitation attempts. The vulnerability aligns with CWE-129, which addresses issues related to insufficient validation of length of input buffers, and may map to ATT&CK techniques involving execution through file processing and privilege escalation. Regular security assessments of applications that utilize this SDK should be conducted to identify and remediate similar vulnerabilities in the broader software ecosystem.