CVE-2023-20945
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20945 is a security vulnerability discovered in Android's NFC component, specifically in the phNciNfcMfCreateXchgDataHdr function of phNxpExtnsMifareStd.cpp. The vulnerability stems from a missing bounds check that could lead to an out-of-bounds write condition. This vulnerability affects Android version 10 (Android Security Bulletin, CVE Details).

Technical details

The vulnerability exists in the phNciNfcMfCreateXchgDataHdr function of phNxpExtnsMifareStd.cpp file, where a missing bounds check can result in an out-of-bounds write condition. This security flaw could potentially allow unauthorized memory manipulation. The vulnerability has been assigned a specific Android ID: A-246932269 (CVE Details).

Impact

If successfully exploited, this vulnerability could lead to local escalation of privilege on affected Android devices. The impact is significant as it requires no additional execution privileges and can be exploited without user interaction (CVE Details).

Mitigation and workarounds

The vulnerability has been addressed in the Android Security Bulletin for February 2023. Users should ensure their Android devices are updated with the latest security patches to mitigate this vulnerability (Android Security Bulletin).

Additional resources


SourceThis report was generated using AI

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