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Vulnerability DatabaseCVE-2020-7791

CVE-2020-7791: 
C# vulnerability analysis and mitigation

Overview

The vulnerability CVE-2020-7791 affects the i18n package versions before 2.1.15. The issue stems from insufficient handling of erroneous language tags in src/i18n/Concrete/TextLocalizer.cs and src/i18n/LocalizedApplication.cs files (CVE Mitre).

Technical details

The vulnerability arises from improper validation of language tags in the i18n package, specifically in the TextLocalizer.cs and LocalizedApplication.cs components. The issue was discovered during penetration testing and could potentially lead to application pool crashes due to NullReferenceException when processing invalid language tags (GitHub Issue).

Impact

When exploited, this vulnerability can cause the application pool to crash, potentially leading to service disruption (GitHub Issue).

Exploitability

The vulnerability was initially discovered during penetration testing of an application using the i18n library. The specific exploit details were not publicly disclosed to prevent potential abuse (GitHub Issue).

Mitigation and workarounds

The vulnerability has been fixed in version 2.1.15 of the i18n package. The fix includes improved validation of language tags and proper handling of null references (GitHub Commit).

Additional resources

Source: This report was generated using AI

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