ZDI-CAN-25185: ZDI-25-119: (0Day) Ashlar-Vellum Cobalt VS File Parsing Out-Of-Bounds Read 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 read past the end of an allocated buffer. 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-2025-2012.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-25185?
The severity of ZDI-CAN-25185 is high due to its potential for remote code execution.
How do I fix ZDI-CAN-25185?
To fix ZDI-CAN-25185, update Ashlar-Vellum Cobalt to the latest version provided by the vendor.
What impact does ZDI-CAN-25185 have on affected systems?
ZDI-CAN-25185 can allow remote attackers to execute arbitrary code on affected installations.
Is user interaction required to exploit ZDI-CAN-25185?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file.
Which software is affected by ZDI-CAN-25185?
ZDI-CAN-25185 affects installations of Ashlar-Vellum Cobalt.