Advisory Details

June 8th, 2023

Ashlar-Vellum Cobalt Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-23-828
ZDI-CAN-18007

CVE ID CVE-2023-34290
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Ashlar-Vellum
AFFECTED PRODUCTS Cobalt
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of 3DS files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

Fixed in 12.0.1204.54


DISCLOSURE TIMELINE
  • 2022-08-10 - Vulnerability reported to vendor
  • 2023-06-08 - Coordinated public release of advisory
CREDIT rgod
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