CVE-2026-0954 in DASYLab
Summary
by MITRE • 03/13/2026
There is a memory corruption vulnerability due to an out-of-bounds write when loading a corrupted DSB file in Digilent DASYLab. This vulnerability may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted .DSB file. This vulnerability affects all versions of Digilent DASYLab.
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Analysis
by VulDB Data Team • 03/20/2026
This memory corruption vulnerability exists within Digilent DASYLab software due to an out-of-bounds write condition when processing corrupted DSB files. The flaw represents a classic buffer overflow scenario where the application fails to properly validate file boundaries during the parsing of DSB format data structures. When a maliciously crafted DSB file is opened, the software attempts to write data beyond the allocated memory boundaries, potentially corrupting adjacent memory regions and creating exploitable conditions. This vulnerability directly maps to CWE-121, which describes unsafe use of fixed-length buffers, and specifically aligns with CWE-787, which addresses out-of-bounds write conditions that can lead to arbitrary code execution or information disclosure. The vulnerability affects all versions of Digilent DASYLab, indicating a fundamental flaw in the file parsing implementation that has not been addressed through version updates.
The operational impact of this vulnerability extends beyond simple memory corruption to encompass potential system compromise through information disclosure and arbitrary code execution capabilities. An attacker exploiting this vulnerability could gain unauthorized access to sensitive system information, potentially including user credentials, system configuration details, or other confidential data stored in memory regions adjacent to the corrupted buffer. The arbitrary code execution aspect presents a severe threat as it allows attackers to run malicious payloads with the privileges of the affected user, potentially leading to full system compromise. The attack vector requires social engineering to convince a user to open a specially crafted DSB file, making this vulnerability particularly dangerous in environments where users may encounter untrusted files. This aligns with ATT&CK technique T1059, which covers execution through user interaction with malicious files, and T1068, which addresses privilege escalation through exploitation of software vulnerabilities.
Mitigation strategies for this vulnerability should prioritize immediate user education and awareness regarding the dangers of opening untrusted DSB files, particularly from unknown or suspicious sources. Organizations should implement strict file validation policies and consider deploying application whitelisting solutions to prevent execution of unauthorized software. The most effective long-term solution involves updating to the latest version of Digilent DASYLab where the vulnerability has been patched, though given that all versions are affected, comprehensive software inventory management becomes critical. Network segmentation and privilege separation can help limit the potential impact if exploitation occurs, while regular system monitoring should be implemented to detect anomalous behavior that might indicate successful exploitation. Security teams should also consider implementing file integrity monitoring solutions to detect unauthorized modifications to DASYLab installation files that could indicate attempts to bypass security controls. The vulnerability's nature suggests that input validation and bounds checking should be enhanced throughout the application's file processing pipeline to prevent similar issues in future implementations.