Integer Overflow Vulnerability in Ashlar-Vellum Cobalt
CVE-2025-2023

7.8HIGH

Key Information:

Vendor

Ashlar-vellum

Status
Cobalt
Vendor
CVE Published:
11 March 2025

What is CVE-2025-2023?

A critical integer overflow vulnerability exists in the parsing of LI files within Ashlar-Vellum Cobalt, enabling remote attackers to execute arbitrary code. This flaw arises from insufficient validation of user-supplied data, allowing an integer overflow before buffer allocation. Exploitation requires user interaction, as targets must open a malicious file or visit a compromised web page. Addressing this vulnerability is essential for maintaining the integrity and security of affected installations.

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Affected Version(s)

Cobalt 1204.91

References

https://www.zerodayinitiative.com/advisories/ZDI-25-122/
x_research-advisory

CVSS V3.0

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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