ZDI-CAN-25276: ZDI-25-126: (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-2025-2022.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-25276?
The severity of ZDI-CAN-25276 is determined by its potential to allow remote code execution if successfully exploited.
How do I fix ZDI-CAN-25276?
To fix ZDI-CAN-25276, update Ashlar-Vellum Cobalt to the latest version provided by the vendor.
What systems are affected by ZDI-CAN-25276?
ZDI-CAN-25276 affects installations of Ashlar-Vellum Cobalt.
Is user interaction required to exploit ZDI-CAN-25276?
Yes, user interaction is required to exploit ZDI-CAN-25276, as the target must visit a malicious page or open a malicious file.
What are the potential impacts of ZDI-CAN-25276?
The potential impacts of ZDI-CAN-25276 include arbitrary code execution on affected installations.