Advisory Details

March 3rd, 2025

(0Day) Delta Electronics ISPSoft DVP File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-25-101
ZDI-CAN-25284

CVE ID
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Delta Electronics
AFFECTED PRODUCTS ISPSoft
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 DVP 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 data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

09/10/24 – ZDI reported the vulnerability to the ICS-CERT
09/12/24 – 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 a 0-day advisory


DISCLOSURE TIMELINE
  • 2024-09-10 - Vulnerability reported to vendor
  • 2025-03-03 - Coordinated public release of advisory
  • 2025-03-03 - Advisory Updated
CREDIT Guillaume Orlando
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