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Vulnerability DatabaseCVE-2020-18703

CVE-2020-18703: 
Python vulnerability analysis and mitigation

Overview

XML External Entities (XXE) vulnerability was discovered in Quokka v0.4.0, identified as CVE-2020-18703. The vulnerability allows remote attackers to execute arbitrary code via the component 'quokka/utils/atom.py'. This vulnerability was initially reported on March 21, 2019 (GitHub Issue).

Technical details

The vulnerability exists in the XML processing functionality within the 'quokka/utils/atom.py' component. The issue stems from improper handling of XML external entities, which can be exploited through malicious XML input. The vulnerability has been assigned a CVSS v3.1 base score of 9.8 CRITICAL with a vector string of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating a severe security risk (NVD).

Impact

The vulnerability allows remote attackers to execute arbitrary code on the affected system. Given the CVSS score of 9.8, this indicates that successful exploitation could lead to complete system compromise, with high impacts on confidentiality, integrity, and availability of the affected system (NVD).

Additional resources

Source: This report was generated using AI

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