CVE-2021-22641: Fuji Electric V-Server Lite VPR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
A heap-based buffer overflow issue has 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 heap-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 CVE-2021-22641?
CVE-2021-22641 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Fuji Electric V-Server Lite.
How can the CVE-2021-22641 vulnerability be exploited?
To exploit CVE-2021-22641, user interaction is required, and the target must visit a malicious page or open a malicious file.
What is the severity of CVE-2021-22641?
The severity of CVE-2021-22641 is high, with a CVSS score of 7.8.
Which products are affected by CVE-2021-22641?
CVE-2021-22641 affects installations of Fuji Electric V-Server Lite with versions up to and exclusive of 4.0.10.0.
How can I mitigate the CVE-2021-22641 vulnerability?
To mitigate the CVE-2021-22641 vulnerability, it is recommended to update the affected installations of Fuji Electric V-Server Lite to a version newer than 4.0.10.0.