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Vulnerability DatabaseCVE-2018-21076

CVE-2018-21076: 
NixOS vulnerability analysis and mitigation

Overview

An issue was discovered on Samsung mobile devices with N(7.x) (Exynos8890/8895 chipsets) software. There is information disclosure (a KASLR offset) in the Secure Driver via a modified trustlet. The Samsung ID is SVE-2017-10987 (April 2018) (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 5.5 (MEDIUM) with vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. The CVSS v2.0 Base Score is 2.1 (LOW) with vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N). The vulnerability is classified under CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) (NVD).

Impact

The vulnerability allows information disclosure, specifically exposing KASLR (Kernel Address Space Layout Randomization) offset information. This could potentially help attackers bypass security protections in the system (NVD).

Exploitability

The vulnerability requires local access and low privileges to exploit. No user interaction is needed for exploitation, but the attacker must have local access to the device (NVD).

Mitigation and workarounds

The vulnerability affects Android 7.x versions running on Exynos8890/8895 chipsets. Samsung has addressed this issue through their security updates (Samsung Mobile).

Additional resources

Source: This report was generated using AI

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