CVE-2023-38693: 
Java vulnerability analysis and mitigation

Overview

A critical security vulnerability (CVE-2023-38693) was discovered in Lucee Server, a dynamic Java-based tag and scripting language used for rapid web development. The vulnerability affects all previous releases of Lucee, with the disclosure being responsibly reported to the Lucee team (Lucee Advisory).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 9.8 (Critical), with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. This indicates a network-exploitable vulnerability with low attack complexity, requiring no privileges or user interaction, and potentially resulting in high impacts to confidentiality, integrity, and availability (Lucee Advisory).

Impact

The vulnerability poses significant risks with potential high impacts on system confidentiality, integrity, and availability. The critical CVSS score of 9.8 indicates severe potential consequences if exploited (Lucee Advisory).

Exploitability

The vulnerability is characterized by network vector accessibility, low attack complexity, and requires no privileges or user interaction for exploitation, making it highly exploitable (Lucee Advisory).

Mitigation and workarounds

Users are strongly advised to upgrade to the patched versions: Lucee 5.4.3.2 or 5.3.12.1 stable releases. For older releases, patches have been provided for versions 5.3.7.59, 5.3.8.236, and 5.3.9.173. However, users on older releases should plan to immediately upgrade to the latest stable release for complete protection (Lucee Advisory).

Additional resources


Source: This report was generated using AI

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