ZDI-CAN-25240: ZDI-25-121: (0Day) Ashlar-Vellum Cobalt CO File Parsing 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 CO files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a 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-25240?
ZDI-CAN-25240 has a high severity rating due to its ability to allow remote code execution on affected installations.
How do I fix ZDI-CAN-25240?
To fix ZDI-CAN-25240, update your Ashlar-Vellum Cobalt software to the latest version provided by the vendor.
What types of attacks can ZDI-CAN-25240 facilitate?
ZDI-CAN-25240 can facilitate remote code execution attacks if a user interacts with a malicious web page or file.
Is user interaction required for ZDI-CAN-25240 exploitation?
Yes, user interaction is required for the exploitation of ZDI-CAN-25240 as the target must visit a malicious page or open a malicious file.
Which software is affected by ZDI-CAN-25240?
ZDI-CAN-25240 affects installations of Ashlar-Vellum Cobalt.
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