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Vulnerability DatabaseCVE-2020-19001

CVE-2020-19001: 
Python vulnerability analysis and mitigation

Overview

Command Injection vulnerability exists in Simiki v1.6.2.1 and prior versions, allowing remote attackers to execute arbitrary system commands via line 64 of the component 'simiki/blob/master/simiki/config.py'. The vulnerability was discovered and disclosed in 2020 (GitHub Issue).

Technical details

The vulnerability is classified as a Command Injection (CWE-77) issue with a CVSS v3.1 Base Score of 9.8 CRITICAL (Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). The vulnerability stems from unsafe YAML loading in the config.py file, which allows instantiation of arbitrary objects. When Simiki loads a malicious _config.yml file, it can lead to remote code execution (GitHub Issue).

Impact

The vulnerability allows attackers to execute arbitrary system commands with the privileges of the application. This can lead to complete system compromise, including unauthorized code execution, data theft, and system manipulation (NVD).

Mitigation and workarounds

The recommended mitigation is to use yaml.safe_load() instead of the unsafe yaml.load() function. This prevents the instantiation of arbitrary objects through YAML deserialization (GitHub Issue).

Additional resources

Source: This report was generated using AI

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