CVE-2021-1007
NixOS vulnerability analysis and mitigation

Overview

CVE-2021-1007 is a vulnerability discovered in Android's Bluetooth functionality, specifically in the btu_hcif_process_event function of btu_hcif.cc. The vulnerability was disclosed in December 2021 and affects Android 12 systems. The issue was identified with Android ID A-167759047 (Android Bulletin).

Technical details

The vulnerability is characterized as an out-of-bounds read vulnerability due to an incorrect bounds check in the btu_hcif_process_event function of btu_hcif.cc. The CVSS v3.1 base score is 4.4 (Medium), with a vector string of CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. Under CVSS v2.0, it has a base score of 2.1 (Low) with vector (AV:L/AC:L/Au:N/C:P/I:N/A:N). The vulnerability is classified as CWE-125 (Out-of-bounds Read) (NVD).

Impact

If exploited, this vulnerability could lead to local information disclosure. The attack requires System execution privileges, and no user interaction is needed for exploitation (Android Bulletin).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Bulletin for December 2021. Users should ensure their Android devices are updated with the latest security patches (Android Bulletin).

Additional resources


SourceThis report was generated using AI

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