ZDI-CAN-25981: ZDI-25-717: (0Day) Ashlar-Vellum Cobalt CO 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 CO 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-2025-7995.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-25981?
ZDI-CAN-25981 is classified with a high severity rating due to its potential for remote code execution.
How do I fix ZDI-CAN-25981?
To fix ZDI-CAN-25981, you should apply the latest security patches released by Ashlar-Vellum for Cobalt.
What types of attacks can exploit ZDI-CAN-25981?
ZDI-CAN-25981 can be exploited through malicious webpages or files that require user interaction.
Is user interaction necessary for ZDI-CAN-25981?
Yes, user interaction is required to exploit ZDI-CAN-25981, as the target must visit a malicious page or open a malicious file.
Which software is affected by ZDI-CAN-25981?
The vulnerability ZDI-CAN-25981 affects installations of Ashlar-Vellum Cobalt.