Time-of-check Time-of-use (TOCTOU) Race Condition in Phoenix Contact GmbH products - CVE-2024-28137
Published: May 30, 2024
Vulnerability identifier: #VU89907
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-28137
CWE-ID: CWE-367
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
CHARX SEC-3000
CHARX SEC-3050
CHARX SEC-3100
CHARX SEC-3150
CHARX SEC-3000
CHARX SEC-3050
CHARX SEC-3100
CHARX SEC-3150
Software vendor:
Phoenix Contact GmbH
Phoenix Contact GmbH
Description
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition within the /etc/init.d/user-applications script. A local user can create a symbolic link to change ownership of arbitrary files and gain elevated privilege on the system.
Remediation
Install updates from vendor's website.