CVE-2018-21057
NixOS vulnerability analysis and mitigation

Overview

An issue was discovered on Samsung mobile devices with N(7.x) O(8.x, and P(9.0) (Exynos chipsets). There is a vnswap heap-based buffer overflow via the store function, with resultant privilege escalation. The Samsung ID is SVE-2018-12761 (September 2018) (NVD).

Technical details

The vulnerability is classified as a heap-based buffer overflow that occurs in the vnswap store function. The CVSS v3.1 base score is 9.8 (CRITICAL) with vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The vulnerability is tracked under CWE-787 (Out-of-bounds Write) (NVD).

Impact

A successful exploitation of this vulnerability can lead to privilege escalation on affected Samsung mobile devices. The high CVSS score indicates that the vulnerability can result in complete compromise of system confidentiality, integrity, and availability (NVD).

Mitigation and workarounds

Samsung has released security updates to address this vulnerability. Users should update their devices to the latest available firmware version that includes the security patch (Samsung Advisory).

Additional resources


SourceThis report was generated using AI

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