Heap-based buffer overflow in Tellus Lite V-Simulator and V-Server Lite - CVE-2021-22641

 

Heap-based buffer overflow in Tellus Lite V-Simulator and V-Server Lite - CVE-2021-22641

Published: January 27, 2021 / Updated: January 29, 2021


Vulnerability identifier: #VU50094
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-22641
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Fuji Electric
Affected software:
Tellus Lite V-Simulator
V-Server Lite

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing VPR files. A remote attacker can trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-22641

Install update from vendor's website.

Sources