ZDI-CAN-25238: ZDI-25-117: (0Day) Ashlar-Vellum Cobalt VC6 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 VC6 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-2025-2016.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-25238?
ZDI-CAN-25238 has a high severity rating due to its potential for remote code execution.
How do I fix ZDI-CAN-25238?
To fix ZDI-CAN-25238, you should apply the latest patch provided by Ashlar-Vellum for the Cobalt software.
What type of attack can ZDI-CAN-25238 facilitate?
ZDI-CAN-25238 can facilitate remote code execution attacks when users interact with a malicious page or file.
Is user interaction required to exploit ZDI-CAN-25238?
Yes, user interaction is required to exploit ZDI-CAN-25238, as the target must visit a malicious webpage or open a malicious file.
Which product is affected by ZDI-CAN-25238?
ZDI-CAN-25238 affects the Ashlar-Vellum Cobalt product.