ZDI-25-115: (0Day) Ashlar-Vellum Cobalt VS File Parsing Use of Uninitialized Variable 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 initialization of memory prior to accessing it. 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-2025-2014.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-115?
The severity of ZDI-25-115 is significant as it allows remote code execution when a user interacts with malicious content.
How do I fix ZDI-25-115?
To fix ZDI-25-115, update Ashlar-Vellum Cobalt to the latest version available from the vendor.
What kind of attack vector is used in ZDI-25-115?
ZDI-25-115 exploits require user interaction, such as visiting a malicious webpage or opening a malicious file.
Who is affected by ZDI-25-115?
All users of Ashlar-Vellum Cobalt are at risk of ZDI-25-115 if they do not apply the necessary security updates.
Is user interaction necessary for ZDI-25-115 to be exploited?
Yes, user interaction is required to exploit ZDI-25-115, making it dependent on the target opening malicious content.