(0Day) Delta Electronics ISPSoft CBDGL File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Electronics ISPSoft. 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 CBDGL files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
08/27/24 – ZDI reported the vulnerability to the ICS-CERT
08/27/24 – ICS-CERT acknowledged the receipt of the report
11/21/24 – the vendor communicated that the fix would be released by the end of January 2025
01/13/25 - ZDI asked for updates
01/22/25 – the vendor requested an extension until the end of April 2025
13/02/25 - ZDI notified the vendor of the intention to publish the case as 0-day advisory
Disclosure Timeline
- 2024-08-27 - Vulnerability reported to vendor
- 2025-03-03 - Coordinated public release of advisory
- 2025-03-03 - Advisory Updated
Credit
Guillaume Orlando
