Stack-based buffer overflow in Tellus Lite V-Simulator and V-Server Lite - CVE-2021-22637

 

Stack-based buffer overflow in Tellus Lite V-Simulator and V-Server Lite - CVE-2021-22637

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


Vulnerability identifier: #VU50090
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2021-22637
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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 unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

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


Affected software

Tellus Lite V-Simulator
V-Server Lite

How to mitigate CVE-2021-22637

Install updates from vendor's website.

Tellus Lite V-Simulator - update to 4.0.10.0
V-Server Lite - update to 4.0.10.0

External References

Related Security Bulletins