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CanonicalCVE-2016-1572

HistoryJan 22, 2016 - 3:59 p.m.

CVE-2016-1572

2016-01-2215:59:07

CWE-269

canonical

web.nvd.nist.gov

cve-2016-1572

ecryptfs-utils

mount.ecryptfs_private.c

filesystem types

local users

privileges.

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

Confidence

High

EPSS

0.001

Percentile

49.1%

JSON

mount.ecryptfs_private.c in eCryptfs-utils does not validate mount destination filesystem types, which allows local users to gain privileges by mounting over a nonstandard filesystem, as demonstrated by /proc/$pid.

Affected configurations

Nvd

Node

ecryptfsecryptfs-utilsRange<109

Node

canonicalubuntu_linuxMatch12.04-

canonicalubuntu_linuxMatch14.04esm

canonicalubuntu_linuxMatch15.04

canonicalubuntu_linuxMatch15.10

Node

opensuseleapMatch42.1

opensuseopensuseMatch13.1

opensuseopensuseMatch13.2

Node

debiandebian_linuxMatch7.0

debiandebian_linuxMatch8.0

Node

fedoraprojectfedoraMatch22

fedoraprojectfedoraMatch23

VendorProductVersionCPE
ecryptfsecryptfs-utils*cpe:2.3:a:ecryptfs:ecryptfs-utils:*:*:*:*:*:*:*:*
canonicalubuntu_linux12.04cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
canonicalubuntu_linux14.04cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
canonicalubuntu_linux15.04cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
canonicalubuntu_linux15.10cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
opensuseleap42.1cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
opensuseopensuse13.1cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuseopensuse13.2cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
debiandebian_linux7.0cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debiandebian_linux8.0cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ecryptfs	ecryptfs-utils	*	cpe:2.3:a:ecryptfs:ecryptfs-utils::::::::
canonical	ubuntu_linux	12.04	cpe:2.3:o:canonical:ubuntu_linux:12.04::::-:::
canonical	ubuntu_linux	14.04	cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
canonical	ubuntu_linux	15.04	cpe:2.3:o:canonical:ubuntu_linux:15.04:::::::*
canonical	ubuntu_linux	15.10	cpe:2.3:o:canonical:ubuntu_linux:15.10:::::::*
opensuse	leap	42.1	cpe:2.3:o:opensuse:leap:42.1:::::::*
opensuse	opensuse	13.1	cpe:2.3:o:opensuse:opensuse:13.1:::::::*
opensuse	opensuse	13.2	cpe:2.3:o:opensuse:opensuse:13.2:::::::*
debian	debian_linux	7.0	cpe:2.3:o:debian:debian_linux:7.0:::::::*
debian	debian_linux	8.0	cpe:2.3:o:debian:debian_linux:8.0:::::::*