Buffer Overflow Vulnerability in Ashlar-Vellum Cobalt CO File Parsing
CVE-2025-2017

7.8HIGH

Key Information:

Vendor

Ashlar-vellum

Status
Cobalt
Vendor
CVE Published:
11 March 2025

What is CVE-2025-2017?

A vulnerability in Ashlar-Vellum Cobalt allows for remote code execution due to improper validation during the parsing of CO files. Attackers can exploit this flaw by delivering malicious CO files or links that, when accessed by the user, trigger the issue. The problem stems from insufficient checks on the length of user-provided data before it gets copied into a buffer, enabling attackers to execute arbitrary code in the context of the affected process.

Affected Version(s)

Cobalt 1204.91

References

https://www.zerodayinitiative.com/advisories/ZDI-25-121/
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

.