Overview
This report discusses an out of bounds write vulnerability, denoted as CVE-2025-57776, found in all versions of Digilent DASYLab. This vulnerability could potentially allow an attacker to execute arbitrary code, leading to system compromise or data leakage. As such, it presents a significant threat to users of the affected software.
Vulnerability Summary
CVE ID: CVE-2025-57776
Severity: High (7.8 CVSS Score)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Digilent DASYLab | All Versions
How the Exploit Works
The vulnerability is triggered when parsing a specially crafted DSB file with Digilent DASYLab. Due to improper bounds checking, an out of bounds write error may occur, resulting in an invalid address. This can potentially allow an attacker to execute arbitrary code. Successful exploitation requires user interaction, specifically a user to open the malicious DSB file.
Conceptual Example Code
The example below is a conceptual representation of a DSB file which might trigger the vulnerability when opened in DASYLab. This is not a real exploit, but an illustration of how an exploit might work.
HEADER
Version: 1
...
BODY
Data: [Special crafted data to cause out of bounds write]
...
FOOTER
Mitigation Guidance
To mitigate this vulnerability, users are advised to apply the vendor-supplied patch as soon as it is available. In the interim, users can deploy a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to provide temporary mitigation.
