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Vulnerability DatabaseCVE-2022-47932

CVE-2022-47932: 
NixOS vulnerability analysis and mitigation

Overview

Brave Browser before version 1.43.34 contained a vulnerability that allowed remote attackers to cause a denial of service through a crafted HTML file containing ipfs:// or ipns:// URLs. This vulnerability (CVE-2022-47932) was discovered as an incomplete fix for CVE-2022-47933 (NVD, CVE).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 6.5 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The issue stems from improper handling of IPFS and IPNS URL schemes in the browser, which could lead to system crashes when processing malformed URLs (NVD).

Impact

When exploited, this vulnerability could allow an attacker to cause a denial of service condition in the Brave Browser, potentially disrupting user activities and browser functionality. The attack requires user interaction as it involves processing a specially crafted HTML file (NVD).

Mitigation and workarounds

The vulnerability was addressed in Brave Browser version 1.43.34. Users should upgrade to this version or later to mitigate the risk. The fix involves blocking incorrect IPFS/IPNS URLs and implementing proper URL validation (Brave Fix).

Additional resources

Source: This report was generated using AI

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