CVSS 3.1 Score 9.8 of 10 (high)


Published Nov 27, 2023
Updated: Dec 19, 2023
CWE ID 120


CVE-2023-4590 is a buffer overflow vulnerability in the Frhed hex editor version 1.6.0. It allows an attacker to execute arbitrary code by exploiting a buffer overflow through a long filename argument using the Structured Exception Handler (SEH) registers. This vulnerability has a CVSS base score of 9.8, indicating a critical severity level, with high impacts on both integrity and confidentiality. The exploitability score is 3.9, suggesting that it is relatively easy for attackers to exploit this vulnerability remotely without any user interaction. The affected products include Frhed hex editor version 1.6.0, and the potential danger it poses to organizations is significant as it can lead to unauthorized code execution and potentially compromise system integrity and confidential data. Remediation measures should involve updating Frhed hex editor to a patched version or considering alternative secure hex editors.

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