ZDI-CAN-25254: ZDI-25-124: (0Day) Ashlar-Vellum Cobalt VC6 File Parsing Out-Of-Bounds Write 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 user-supplied data, which can result in a write past the end of an allocated 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-25254?
The severity of ZDI-CAN-25254 is significant, as it allows remote attackers to execute arbitrary code.
How do I fix ZDI-CAN-25254?
To fix ZDI-CAN-25254, ensure that you have applied the latest security patches provided by Ashlar-Vellum for Cobalt.
What should users do to protect themselves from ZDI-CAN-25254?
Users should avoid visiting untrusted websites and opening unknown files to protect against ZDI-CAN-25254.
Is user interaction required to exploit ZDI-CAN-25254?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file.
Which software is affected by ZDI-CAN-25254?
ZDI-CAN-25254 affects installations of Ashlar-Vellum Cobalt.
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