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gentooGentoo FoundationGLSA-201701-19
HistoryJan 11, 2017 - 12:00 a.m.

NTFS-3G: Privilege escalation

2017-01-1100:00:00
Gentoo Foundation
security.gentoo.org
46

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:P/A:P

EPSS

0

Percentile

0.4%

Background

NTFS-3G is a stable, full-featured, read-write NTFS driver for various operating systems.

Description

NTFS-3G is affected by the same vulnerability as reported in “GLSA 201603-04” when the bundled fuse-lite implementation is used.

Impact

A local user could gain root privileges.

Workaround

There is no known workaround at this time. However, on Gentoo when the “external-fuse” USE flag is set or the “suid” USE flag is not set then NTFS-3G is not affected. Both of these cases are the default configuration.

Resolution

All NTFS-3G users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-fs/ntfs3g-2016.2.22"
OSVersionArchitecturePackageVersionFilename
Gentooanyallsys-fs/ntfs3g< 2016.2.22UNKNOWN

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:P/A:P

EPSS

0

Percentile

0.4%