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Vulnerability DatabaseCVE-2022-48174

CVE-2022-48174: 
NixOS vulnerability analysis and mitigation

Overview

A stack overflow vulnerability was discovered in BusyBox (CVE-2022-48174) affecting versions before 1.35. The vulnerability is specifically located in ash.c:6030 of the BusyBox codebase. This security flaw primarily affects systems running BusyBox, particularly in Internet of Vehicles environments (NVD, Ubuntu).

Technical details

The vulnerability is classified as a dynamic-stack-buffer-overflow issue occurring in the ash.c file at line 6030. The flaw manifests in the evaluatestring function within the shell/math.c component. It received a CVSS v3.1 base score of 9.8 (CRITICAL) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating high severity with potential for remote exploitation (NVD, [Busybox Bug](https://bugs.busybox.net/showbug.cgi?id=15216)).

Impact

When successfully exploited, this vulnerability can lead to arbitrary code execution, disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS). The impact is particularly significant in Internet of Vehicles environments where BusyBox is deployed (NetApp Advisory, NVD).

Mitigation and workarounds

The primary mitigation is to upgrade BusyBox to version 1.35 or later, although some reports indicate the vulnerability might still persist in version 1.36.1 under specific configurations. Various Linux distributions have released security updates to address this vulnerability in their respective packages (Ubuntu, Red Hat).

Additional resources

Source: This report was generated using AI

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