PT-2023-4043 · Ashlar Vellum · Ashlar-Vellum Cobalt

Rgod · Published 2023-06-08 · Updated 2024-09-18 · CVE-2023-34287

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 of Ashlar-Vellum Cobalt. User interaction is required to exploit this issue, where the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of CO files, resulting from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this issue to execute code in the context of the current process.

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

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2023-04341

CVE-2023-34287

ZDI-23-825

Affected Products

Ashlar-Vellum Cobalt

References · 8

• https://osv.dev/vulnerability/CVE-2023-34287 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-04341 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-23-825 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-34287 · Security Note
• https://safe-surf.ru/upload/VULN-new/VULN.2023-06-14.1.pdf · Security Note
• https://twitter.com/CVEnew/status/1787926488031121684 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB2023060935 · Note
• https://zerodayinitiative.com/advisories/ZDI-CAN-17892 · Note