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Fencer Vulns
high 7.8

CVE-2017-0358 json

ntfs-3g: Modprobe influence vulnerability via environment variables

published 2018-04-13 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-0714

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
3
Metasploit, Exploit-DB

Summary

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.

Patch / fix

  • ntfs-3g Debian 14, Debian 13, Debian 12 1:2016.2.22AR.1-4

debian advisories DEBIAN-CVE-2017-0358

  • ntfs-3g Ubuntu 16.04 LTS 1:2015.3.14AR.1-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2017-0358

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ntfs-3g_ntfsprogs SLE Workstation Extension 12 SP5, SLE Software Development Kit 12 SP5 2021.8.22-5.9.1
  • ntfs-3g_ntfsprogs SLED 12 SP4, SLED 12 SP3, SLE Workstation Extension 12 SP4 +3 more 2013.1.13-5.3.1
  • ntfs-3g SLE Software Development Kit 11 SP4 2011.4.12-0.9.3.1

suse advisories SUSE-SU-2021:2965-1SUSE-SU-2018:3587-2SUSE-SU-2018:3587-1SUSE-SU-2018:2070-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-0358 updated cvss 7.0

ntfs-3g: Modprobe influence vulnerability via environment variables

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (Metasploit exploit/linux/local/ntfs3g_priv_esc)
  2. Published

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
11 mo ago

Exploit prediction

2.19% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/linux/local/ntfs3g_priv_esc Debian/Ubuntu ntfs-3g Local Privilege Escalation metasploit exploit, good rank, 2017-01-05
  • EDB-41356 ntfs-3g - Unsanitized modprobe Environment Privilege Escalation local, 2017-02-14
  • EDB-41240 ntfs-3g (Debian 9) - Local Privilege Escalation local, 2017-02-03
  • marc.info https://marc.info/?l=oss-security&m=148594671929354&w=2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • ntfs-3g ntfs-3g

Classification

Weakness
  • CWE-269 Improper Privilege Management

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.