CVE-2021-22637: Fuji Electric V-Server Lite VPR File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
Multiple stack-based buffer overflow issues have been identified in the way the application processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution on the Tellus Lite V-Simulator and V-Server Lite (versions prior to 4.0.10.0).
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fuji Electric V-Server Lite. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of VPR files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID of this Fuji Electric V-Server Lite vulnerability?
The vulnerability ID for this Fuji Electric V-Server Lite vulnerability is CVE-2021-22637.
What is the severity level of CVE-2021-22637?
The severity level of CVE-2021-22637 is high, with a severity value of 7.8.
How can remote attackers exploit CVE-2021-22637?
Remote attackers can exploit CVE-2021-22637 by executing arbitrary code on affected installations of Fuji Electric V-Server Lite through user interaction, such as visiting a malicious page or opening a malicious file.
Which versions of Fuji Electric V-Server Lite are affected by CVE-2021-22637?
Versions up to and excluding 4.0.10.0 of Fuji Electric V-Server Lite are affected by CVE-2021-22637.
Are there any known references for CVE-2021-22637?
Yes, there are references available for CVE-2021-22637. You can find them at the following links: [US-CERT Advisory](https://us-cert.cisa.gov/ics/advisories/icsa-21-026-01) and [Zero Day Initiative Advisory](https://www.zerodayinitiative.com/advisories/ZDI-21-097/).