CVE-2023-42103 HIGH

CVE-2023-42103: Ashlar-Vellum Cobalt AR File Parsing Use-After-Free Remote Code Execution Vulnerability

Vendor Ashlar-Vellum
Product Cobalt
Weakness CWE-416
Published May 3, 2024
Last update September 18, 2024

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Ashlar-Vellum Cobalt AR File Parsing Use-After-Free 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 AR files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. . Was ZDI-CAN-20660.

Key dates

02Disclosure timeline

May 3, 2024 CVE published
September 18, 2024 Record updated