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Vulnerability DatabaseCVE-2022-26471

CVE-2022-26471: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2022-26471 is a high-severity vulnerability discovered in MediaTek's telephony component. The vulnerability was identified and disclosed in October 2022, affecting various MediaTek chipsets running on Android 12.0. The issue stems from deserialization of untrusted data in the telephony system (MediaTek Bulletin).

Technical details

The vulnerability is classified as a deserialization of untrusted data issue (CWE-502) in the telephony component. It received a CVSS v3.1 base score of 7.8 (HIGH), with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability occurs due to a parcel format mismatch in the telephony system (NVD).

Impact

The vulnerability can lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation, making it particularly concerning for affected systems (MediaTek Bulletin).

Mitigation and workarounds

The vulnerability affects multiple MediaTek chipsets including MT6580, MT6739, MT6761, MT6765, MT6768, MT6781, MT6785, MT6789, and several others running Android 12.0. MediaTek has released security patches and notified device OEMs of the issues at least two months before publication (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

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