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Vulnerability DatabaseCVE-2021-43779

CVE-2021-43779: 
Linux Ubuntu vulnerability analysis and mitigation

Overview

CVE-2021-43779 is a Remote Command Execution (RCE) vulnerability affecting the GLPI Addressing plugin versions 2.0.0 through 2.9.1. The vulnerability was discovered in January 2022 and allows authenticated users to execute arbitrary commands on the server's underlying operating system (GitHub Advisory).

Technical details

The vulnerability exists due to improper input validation in the GLPI Addressing plugin. The issue specifically affects the IP address handling functionality where user input is not properly sanitized before being processed by the system. The vulnerability is tracked as CWE-20 (Improper Input Validation) (NVD Report).

Impact

Successful exploitation of this vulnerability allows authenticated attackers to execute arbitrary commands on the server's underlying operating system, potentially leading to complete system compromise (GitHub Advisory).

Mitigation and workarounds

The vulnerability has been patched in version 2.9.2 of the GLPI Addressing plugin. Organizations are strongly advised to upgrade to this version or later. As a temporary workaround, administrators can disable the addressing plugin if immediate updating is not possible (GitHub Advisory).

Additional resources

Source: This report was generated using AI

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