PT-2023-24799 · Ashlar Vellum · Ashlar-Vellum Cobalt

Rgod · Published 2023-06-15 · Updated 2025-08-08 · CVE-2023-34303

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. It requires user interaction, such as visiting a malicious page or opening a malicious file. The flaw exists within the parsing of VC6 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 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 vulnerability.

RCE

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2023-34303

ZDI-23-863

Affected Products

Ashlar-Vellum Cobalt

References · 5

• https://zerodayinitiative.com/advisories/ZDI-23-863 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-34303 · Security Note
• https://osv.dev/vulnerability/CVE-2023-34303 · Vendor Advisory
• https://twitter.com/CVEnew/status/1787926470884745306 · Twitter Post
• https://t.me/cveNotify/131418 · Telegram Post