ZDI-CAN-25252: ZDI-25-123: (0Day) Ashlar-Vellum Cobalt VC6 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
First published: Mon Mar 10 2025(Updated: )
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 the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ashlar-Vellum Cobalt | ||
| Ashlar-Vellum Cobalt |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-25252?
ZDI-CAN-25252 has a high severity level due to its potential for remote code execution.
How do I fix ZDI-CAN-25252?
To fix ZDI-CAN-25252, update Ashlar-Vellum Cobalt to the latest version provided by the vendor.
What types of attacks can ZDI-CAN-25252 enable?
ZDI-CAN-25252 can enable remote attackers to execute arbitrary code through user interactions.
What are the requirements for exploiting ZDI-CAN-25252?
Exploitation of ZDI-CAN-25252 requires user interaction, such as visiting a malicious page or opening a malicious file.
Is ZDI-CAN-25252 easy to exploit?
While ZDI-CAN-25252 requires user interaction, it remains a significant threat if users are not cautious.
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