SB2024032731 - Multiple vulnerabilities in Automation-Direct C-MORE EA9 HMI

Description

This security bulletin contains information about 3 vulnerabilities.

1) Path traversal (CVE-ID: CVE-2024-25136)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and perform a denial of service (DoS) attack.

2) Stack-based buffer overflow (CVE-ID: CVE-2024-25137)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote user can trigger stack-based buffer overflow and cause a denial of service condition on the target system.

3) Unprotected storage of credentials (CVE-ID: CVE-2024-25138)

CWE-ID: CWE-256 - Unprotected Storage of Credentials

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to gain access to other users' credentials.

The vulnerability exists due to application stored credentials in plain text in a configuration file on the system. A remote user can view contents of the configuration file and gain access to passwords for 3rd party integration.

Remediation

Install update from vendor's website.

References

• https://https://www.cisa.gov/news-events/ics-advisories/icsa-24-086-01