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Vulnerability DatabaseCVE-2022-0239
CVE-2022-0239:
Java vulnerability analysis and mitigation
Overview
CVE-2022-0239 is a security vulnerability identified in Stanford CoreNLP, affecting the XML schema processing functionality. The vulnerability was discovered and disclosed in January 2022, specifically affecting the XML External Entity Reference handling in CoreNLP (CVE, NVD).
Technical details
The vulnerability stems from improper restriction of XML External Entity Reference in CoreNLP. The issue was addressed by enabling secure processing feature for XML schema factory, as evidenced by the fix which added factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true) to the XML processing configuration (GitHub Commit).
Impact
When exploited, this vulnerability could potentially allow an attacker to process malicious XML external entities, which could lead to unauthorized access to system files, server-side request forgery (SSRF), or denial of service conditions (Huntr).
Mitigation and workarounds
The vulnerability has been patched by implementing secure XML processing features. Users should update to the patched version of CoreNLP that includes the security fix (GitHub Commit).
Additional resources
Source: This report was generated using AI
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