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Vulnerability DatabaseCVE-2022-22582

CVE-2022-22582: 
macOS vulnerability analysis and mitigation

Overview

A validation issue was discovered in the handling of symlinks in Apple macOS systems (CVE-2022-22582). The vulnerability was disclosed and patched in March 2022, affecting multiple versions of macOS including Catalina, Big Sur 11.6.5, and Monterey 12.3. The issue was discovered by Richard Warren of NCC Group (Apple Security).

Technical details

The vulnerability exists in the xar component of macOS and involves improper validation of symlinks. The issue has a CVSS v3.1 Base Score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N, indicating local access is required and the impact primarily affects integrity (NVD).

Impact

When exploited, this vulnerability allows a local user to write arbitrary files to the system, potentially leading to privilege escalation or unauthorized file system modifications (Apple Security, NVD).

Mitigation and workarounds

Apple has addressed this vulnerability by improving the validation of symlinks in Security Update 2022-003 Catalina, macOS Big Sur 11.6.5, and macOS Monterey 12.3. Users are advised to update to these versions or later to mitigate the risk (Apple Security).

Additional resources

Source: This report was generated using AI

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