CVE-2017-0358
Publication date 1 February 2017
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ntfs-3g | ||
| 16.04 LTS xenial |
Fixed 1:2015.3.14AR.1-1ubuntu0.1
|
|
| 14.04 LTS trusty |
Not affected
|
|
Notes
tyhicks
14.04 and 12.04 are not affected since ntfs-3g is not installed setuid-root. While there is some debconf support for setting ntfs-3g as setuid-root in the packaging, libfuse refuses to cooperate when it detects that it is running in a setuid environment.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.8 · High
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3182-1
- NTFS-3G vulnerability
- 1 February 2017