Vulnerability · Published Jan 30, 2025 · Assigned by zdi

CVE-2024-11609AutomationDirect C-More EA9 EAP9 File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

High 7.8

In plain English

A high-severity stack buffer overflow in C-More EA9 from AutomationDirect. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.0)7.8High

Exploit odds (30 days)0.3%top 76.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

AutomationDirect C-More EA9 EAP9 File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of AutomationDirect C-More EA9. 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 EAP9 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. Was ZDI-CAN-24772.

Affected products (as reported)

Vendor	Product	Versions
AutomationDirect	C-More EA9	6.78

Weakness: CWE-121 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ZDI-24-1673 x_research-advisory
vendor-provided URL vendor-advisory