CVE-2023-45239

Summary

CVE-2023-45239 is a cyber vulnerability that affects the product tac_plus prior to commit 4fdf178. It is characterized by a lack of input validation, which enables an attacker to inject shell commands and gain remote code execution on the tac_plus server. The vulnerability can be exploited when pre or post authentication commands are enabled, and it is important to note that the attacker needs control over the username, rem-addr, or NAC address sent to tac_plus. The severity of this vulnerability is classified as CRITICAL, with a base score of 9.8 out of 10. Remediation for this vulnerability should involve updating tac_plus to a version beyond commit 4fdf178 in order to address the input validation issue and prevent potential remote code execution attacks. Organizations should prioritize remediation due to the high impact on integrity and confidentiality if exploited.

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