CVE-2025-7985

Ashlar-Vellum Cobalt VC6 File Parsing Integer Overflow 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 an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25704.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector : AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.zerodayinitiative.com/advisories/ZDI-25-637/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ashlar:cobalt:12.2.1204.96:*:*:*:*:*:*:*

History

26 Sep 2026, 00:10

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad de desbordamiento de entero en el análisis de archivos VC6 de Ashlar-Vellum Cobalt que permite la ejecución remota de código. Esta vulnerabilidad permite a atacantes remotos ejecutar código arbitrario en instalaciones afectadas de Ashlar-Vellum Cobalt. Se requiere interacción del usuario para explotar esta vulnerabilidad, ya que el objetivo debe visitar una página maliciosa o abrir un archivo malicioso. La falla específica existe en el análisis de archivos VC6. El problema se debe a la falta de validación adecuada de los datos proporcionados por el usuario, lo que puede resultar en un desbordamiento de entero antes de asignar un búfer. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual. Fue ZDI-CAN-25704.

Information

Published : 2025-09-17 21:15

Updated : 2026-09-26 00:10

NVD link : CVE-2025-7985

Mitre link : CVE-2025-7985

CVE.ORG link : CVE-2025-7985

JSON object : View

Products Affected

ashlar

cobalt

CWE

CWE-190

Integer Overflow or Wraparound

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