(0Day) Ashlar-Vellum Cobalt AR File Parsing Type Confusion Remote Code Execution Vulnerability
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 AR files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
04/06/23 – ZDI reported the vulnerability to the vendor.
04/06/23 – The vendor acknowledged the report.
08/25/23 – The ZDI asked for an update.
08/28/23 – The vendor states that the open cases have not been resolved.
09/20/23 – The ZDI informed the vendor that the case will be published as a zero-day advisory on 09/21/23.
-- Mitigation: Fixed in version 12.6.1204.217
Disclosure Timeline
- 2023-04-06 - Vulnerability reported to vendor
- 2023-09-21 - Coordinated public release of advisory
- 2026-06-18 - Advisory Updated
Credit
Anonymous
