CVE-2025-2020: (0Day) Ashlar-Vellum Cobalt VC6 File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Tue Mar 11 2025(Updated: )
Ashlar-Vellum Cobalt VC6 File Parsing Out-Of-Bounds Write 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 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. Was ZDI-CAN-25254.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ashlar-Vellum Cobalt |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-2020?
CVE-2025-2020 is considered a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2025-2020?
To mitigate CVE-2025-2020, update to the latest version of Ashlar-Vellum Cobalt that addresses this vulnerability.
What type of vulnerability is CVE-2025-2020?
CVE-2025-2020 is an out-of-bounds write vulnerability that allows remote code execution.
Who is affected by CVE-2025-2020?
CVE-2025-2020 affects users of Ashlar-Vellum Cobalt who open specially crafted files.
Is user interaction required to exploit CVE-2025-2020?
Yes, user interaction is required to exploit CVE-2025-2020 by opening a malicious Cobalt VC6 file.
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