ZDI-CAN-25236: ZDI-25-116: (0Day) Ashlar-Vellum Cobalt VS File Parsing Type Confusion Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of VS files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-2015.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-25236?
The severity of ZDI-CAN-25236 is high due to its potential to allow remote code execution.
How do I fix ZDI-CAN-25236?
To fix ZDI-CAN-25236, ensure that you have applied the latest security updates provided by Ashlar-Vellum for Cobalt.
Who is affected by ZDI-CAN-25236?
Users of Ashlar-Vellum Cobalt are affected by ZDI-CAN-25236 due to the vulnerability present in the software.
What are the potential impacts of ZDI-CAN-25236?
The potential impacts of ZDI-CAN-25236 include unauthorized access and execution of arbitrary code on affected systems.
Is user interaction required to exploit ZDI-CAN-25236?
Yes, user interaction is required to exploit ZDI-CAN-25236 as the target must visit a malicious page or open a malicious file.