CVE-2013-3928 in Chasys Draw IES
Summary
by MITRE
Stack-based buffer overflow in the ReadFile function in flt_BMP.dll in Chasys Draw IES before 4.11.02 allows remote attackers to execute arbitrary code via crafted biPlanes and biBitCount fields in a BMP file.
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Analysis
by VulDB Data Team • 05/07/2026
The vulnerability identified as CVE-2013-3928 represents a critical stack-based buffer overflow flaw within the Chasys Draw IES software suite, specifically affecting the flt_BMP.dll component. This vulnerability exists in versions prior to 4.11.02 and exposes the application to remote code execution attacks through maliciously crafted BMP image files. The flaw manifests within the ReadFile function where insufficient input validation occurs for the biPlanes and biBitCount fields, which are critical components of the Windows bitmap file format structure. These fields contain essential metadata about the image's color planes and bit depth that the application fails to properly validate before processing.
The technical exploitation of this vulnerability leverages the inherent structure of BMP files where the biPlanes and biBitCount fields directly influence how the application allocates memory for image data processing. When an attacker crafts a malicious BMP file with oversized or malformed values in these fields, the application's buffer allocation logic becomes compromised, leading to a stack overflow condition. This overflow occurs because the application does not perform adequate bounds checking or input sanitization before using these values to determine buffer sizes. The flaw aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient space is allocated on the stack for data processing, and specifically relates to CWE-787, which addresses out-of-bounds write operations that can overwrite adjacent stack memory.
The operational impact of this vulnerability extends beyond simple denial of service, as it enables full remote code execution capabilities for attackers. Successful exploitation allows malicious actors to inject and execute arbitrary code within the context of the vulnerable application, potentially leading to complete system compromise. This vulnerability is particularly concerning in environments where users might encounter untrusted BMP files through email attachments, web downloads, or file sharing systems. The attack vector requires no privileged access or complex exploitation techniques, making it highly dangerous for widespread deployment. The vulnerability affects the software's image processing functionality, which is a core feature of the application, meaning that any user who attempts to open a malicious BMP file will be exposed to the exploit.
Mitigation strategies for CVE-2013-3928 primarily focus on immediate software updates and patches provided by the vendor to address the buffer overflow condition in the flt_BMP.dll component. Users should prioritize upgrading to Chasys Draw IES version 4.11.02 or later, which contains the necessary code modifications to properly validate input parameters before buffer allocation. Additionally, implementing defensive measures such as input validation at the system level, network-based filtering of BMP file types, and restricting user privileges when processing untrusted files can significantly reduce the attack surface. From an enterprise security perspective, this vulnerability demonstrates the importance of proper input validation and memory management practices, aligning with ATT&CK technique T1059.007 for command and scripting interpreter execution. Organizations should also consider implementing sandboxing mechanisms for image processing operations and establishing robust software supply chain security measures to prevent similar vulnerabilities from being introduced in third-party components. The vulnerability serves as a reminder of the critical importance of secure coding practices and the need for regular security assessments of image processing libraries and components within applications.