PT-2023-5407 · Ashlar Vellum · Ashlar-Vellum Cobalt

Published 2023-09-21 · Updated 2025-08-25 · CVE-2023-42105

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Ashlar-Vellum Cobalt (affected versions not specified)

Description The issue is related to a type confusion condition that occurs when parsing AR files, allowing remote attackers to execute arbitrary code on affected installations. This is due to the lack of proper validation of user-supplied data. An attacker can leverage this vulnerability to execute code in the context of the current process, but user interaction is required, such as visiting a malicious page or opening a malicious file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

BDU:2023-06037

CVE-2023-42105

ZDI-23-1454

Affected Products

Ashlar-Vellum Cobalt

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2023-42105 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-23-1454 · Security Note
• https://bdu.fstec.ru/vul/2023-06037 · Security Note
• https://osv.dev/vulnerability/CVE-2023-42105 · Vendor Advisory
• https://t.me/cveNotify/133304 · Telegram Post
• https://twitter.com/TheZDIBugs/status/1705253876184633792 · Twitter Post
• https://twitter.com/CVEnew/status/1786771021787206104 · Twitter Post
• https://t.me/cvenotify/128015 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023092231 · Note