1. EXECUTIVE SUMMARY
- CVSS v4 8.4
- ATTENTION: Low attack complexity
- Vendor: Fuji Electric
- Equipment: Tellus Lite V-Simulator
- Vulnerabilities: Out-of-bounds Write
2. RISK EVALUATION
Successful exploitation of these vulnerabilities could crash the device being accessed.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
VS5Sim is a simulator of V-SFT Ver5 packaged with Fuji Electric Tellus Lite V-Simulator, a remote monitoring and operation software. The following versions are affected:
- Tellus Lite: Version 4.0.20.0
3.2 Vulnerability Overview
3.2.1 Out-of-bounds Write CWE-787
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fuji Electric Tellus 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 V8 files in the V-Simulator 5 component. 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.
CVE-2024-11799 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.8 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A CVSS v4 score has also been calculated for CVE-2024-11799. A base score of 8.4 has been calculated; the CVSS vector string is ([…]
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