PT-2023-5403 · Ashlar Vellum · Ashlar-Vellum Cobalt

Published 2023-09-21 · Updated 2025-08-08 · CVE-2023-42101

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 This issue allows remote attackers to execute arbitrary code on affected installations. The flaw exists within the parsing of AR files due to the lack of proper validation of user-supplied data, resulting in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. User interaction is required, where the target must visit a malicious page or open a malicious file.

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

RCE

Memory Corruption

Out of bounds Read

Weakness Enumeration

CWE-787

CWE-125

Related Identifiers

BDU:2023-06033

CVE-2023-42101

ZDI-23-1450

Affected Products

Ashlar-Vellum Cobalt

References · 9

• https://zerodayinitiative.com/advisories/ZDI-23-1450 · Security Note
• https://bdu.fstec.ru/vul/2023-06033 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-42101 · Security Note
• https://osv.dev/vulnerability/CVE-2023-42101 · Vendor Advisory
• https://twitter.com/CVEnew/status/1786771026786853348 · Twitter Post
• https://t.me/cvenotify/128011 · Telegram Post
• https://twitter.com/TheZDIBugs/status/1705253718835319093 · Twitter Post
• https://t.me/cveNotify/131459 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023092231 · Note