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Vulnerability DatabaseCVE-2018-21052

CVE-2018-21052: 
NixOS vulnerability analysis and mitigation

Overview

An issue was discovered on Samsung mobile devices with N(7.x) and O(8.X) (Exynos chipsets) software. There is incorrect usage of shared memory in the vaultkeeper Trustlet, leading to arbitrary code execution. The vulnerability was identified as CVE-2018-21052 and assigned Samsung ID SVE-2018-12855 in October 2018 (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 9.8 CRITICAL with vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. It involves improper restriction of operations within the bounds of a memory buffer (CWE-119). The vulnerability affects Android versions 7.0 through 8.1 running on devices with Exynos chipsets (NVD).

Impact

The vulnerability allows attackers to execute arbitrary code through incorrect usage of shared memory in the vaultkeeper Trustlet. This could lead to complete compromise of affected devices, with high impacts on confidentiality, integrity, and availability (NVD).

Mitigation and workarounds

Samsung has addressed this vulnerability through their security update process. Users should ensure their devices are updated with the latest security patches (Samsung Mobile Security).

Additional resources

Source: This report was generated using AI

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