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Vulnerability DatabaseCVE-2020-19003
CVE-2020-19003:
Python vulnerability analysis and mitigation
Overview
An authentication bypass vulnerability exists in Gate One version 1.2.0 that allows attackers to bypass the origins list verification check and connect to Gate One instances used by hosts not on the origins list. The vulnerability was discovered and disclosed in April 2019 (GitHub Issue).
Technical details
The vulnerability stems from a flaw in how Gate One verifies the origins list when authentication method is set to 'auth:api'. When an attacker uses 'localhost' to access Gate One, the service recognizes it as 'localhost' instead of the attacker's real IP address. This allows attackers to impersonate 'localhost' and bypass the origins list verification. The vulnerability has a CVSS v3.1 score of 5.3 (Medium) with vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N (NVD).
Impact
The vulnerability allows unauthorized hosts to establish connections with Gate One instances by bypassing the origin verification mechanism, potentially leading to unauthorized access to systems that should be restricted by the origins list (GitHub Issue).
Additional resources
Source: This report was generated using AI
Related Python vulnerabilities:
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