CVE-2017-0358

unknown

Published — · Modified —

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

1.0

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-41240 local linux

Kristian Erik Hermansen · 2017-02-03

ntfs-3g (Debian 9) - Local Privilege Escalation

Source code queued for fetch — refresh in a moment.

EDB-41356 local linux verified

Google Security Research · 2017-02-14

ntfs-3g - Unsanitized modprobe Environment Privilege Escalation

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_linux/local/ntfs3g_priv_esc rank 400

Debian/Ubuntu ntfs-3g Local Privilege Escalation

Source fetch failed: fetch_error — view the original via the link above.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`1:2016.2.22AR.1-4`
sid	Fixed	`1:2016.2.22AR.1-4`
forky	Fixed	`1:2016.2.22AR.1-4`
bullseye	Fixed	`1:2016.2.22AR.1-4`
bookworm	Fixed	`1:2016.2.22AR.1-4`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.