Vulnerability DatabaseCVE-2023-52263

CVE-2023-52263:
Homebrew vulnerability analysis and mitigation

Overview

CVE-2023-52263 affects Brave Browser versions before 1.59.40, where the browser does not properly restrict the schema for WebUI factory and redirect. The vulnerability is specifically related to the files browser/bravecontentbrowserclient.cc and browser/ui/webui/bravewebuicontroller_factory.cc (NVD).

Technical details

The vulnerability involves improper schema restriction in the WebUI factory and redirect functionality. The CVSS v3.1 base score is 6.1 (MEDIUM), with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. The issue was addressed by implementing stricter schema validation checks for WebUI pages and URL rewrites (Brave Core PR).

Impact

The vulnerability could potentially lead to confidentiality and integrity breaches, as indicated by the CVSS metrics showing Low impact for both Confidentiality (C:L) and Integrity (I:L), while having no impact on Availability (A:N) (NVD).

Mitigation and workarounds

The vulnerability has been patched in Brave Browser version 1.59.40. Users should update to this version or later to mitigate the security risk. The fix involves implementing additional schema restrictions for WebUI factory and redirect functionality (Brave Core PR).

Additional resources

Source: This report was generated using AI

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