Out-of-bounds read in GUIcon Eurotherm - CVE-2021-22809
Published: November 18, 2021
Vulnerability identifier: #VU58247
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-22809
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
GUIcon Eurotherm
GUIcon Eurotherm
Software vendor:
Schneider Electric
Schneider Electric
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when a malicious *.gd1 configuration file is loaded into the GUIcon tool. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.