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Vulnerability DatabaseCVE-2021-39805
CVE-2021-39805:
NixOS vulnerability analysis and mitigation
Overview
A vulnerability identified as CVE-2021-39805 was discovered in the l2cble_process_sig_cmd function of l2c_ble.cc in Android. The vulnerability affects Android versions 12 and 12L, and was disclosed in the April 2022 Android Security Bulletin (Android Bulletin).
Technical details
The vulnerability is classified as an out-of-bounds read vulnerability (CWE-125) caused by a missing bounds check in the l2cble_process_sig_cmd function. The vulnerability has been assigned a CVSS v3.1 base score of 6.5 (Medium), with a vector string of CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (NVD).
Impact
The vulnerability can lead to remote information disclosure through Bluetooth. The impact is primarily focused on data confidentiality, with no impact on system integrity or availability (NVD).
Mitigation and workarounds
Google has addressed this vulnerability in the April 2022 security patch level. Users are advised to update their Android devices to the latest security patch level to protect against this vulnerability (Android Bulletin).
Additional resources
Source: This report was generated using AI
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