PT-2023-24805 · Ashlar Vellum · Ashlar-Vellum Cobalt

Published 2023-06-15 · Updated 2025-08-08 · CVE-2023-34311

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 CO files due to the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. This allows an attacker 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

Untrusted Pointer Dereference

Weakness Enumeration

CWE-822

Related Identifiers

CVE-2023-34311

ZDI-23-871

Affected Products

Ashlar-Vellum Cobalt

References · 5

• https://zerodayinitiative.com/advisories/ZDI-23-871 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-34311 · Security Note
• https://osv.dev/vulnerability/CVE-2023-34311 · Vendor Advisory
• https://twitter.com/CVEnew/status/1787926462282219653 · Twitter Post
• https://t.me/cveNotify/131451 · Telegram Post