#VU57660 Stack-based buffer overflow in V-Server Lite and Tellus Lite V-Simulator - CVE-2021-38413
Published: October 27, 2021 / Updated: October 28, 2021
Vulnerability identifier: #VU57660
Vulnerability risk: High
CVSSv4.0: 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-2021-38413
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
V-Server Lite
Tellus Lite V-Simulator
V-Server Lite
Tellus Lite V-Simulator
Software vendor:
Fuji Electric
Fuji Electric
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the parsing of V8 and X1 files in the V-Simulator module. 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.
Remediation
Install updates from vendor's website.
External links
- https://ics-cert.us-cert.gov/advisories/icsa-21-299-01
- https://www.zerodayinitiative.com/advisories/ZDI-21-1269/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1268/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1261/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1260/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1259/
- https://www.zerodayinitiative.com/advisories/ZDI-21-1258/