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Vulnerability DatabaseCVE-2021-0658

CVE-2021-0658: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2021-0658 is a security vulnerability discovered in the apusys system component. The vulnerability was disclosed in November 2021 and affects various MediaTek chipsets. It is characterized as a medium severity vulnerability that could lead to local escalation of privilege due to a missing bounds check in memory operations (MediaTek Bulletin).

Technical details

The vulnerability is classified as an improper restriction of operations within the bounds of a memory buffer (CWE-119). The technical issue stems from a missing bounds check in the apusys component, which could potentially allow unauthorized memory operations. The vulnerability has been assigned a medium severity rating, requiring System execution privileges for exploitation (MediaTek Bulletin).

Impact

If exploited, this vulnerability could lead to local escalation of privilege on affected systems. The attack requires System execution privileges, and no user interaction is needed for exploitation (MediaTek Bulletin).

Mitigation and workarounds

The vulnerability affects Android versions 10.0 and 11.0 on specific MediaTek chipsets including MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8195, MT8791, and MT8797. MediaTek has released security patches to address this vulnerability (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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