CVE-2016-1572

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Summary

CVECVE-2016-1572
StatePUBLISHED
Assignercanonical
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-01-22 15:59:07 UTC
Updated2026-05-06 22:30:45 UTC
Descriptionmount.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.

Risk And Classification

Primary CVSS: v3.1 8.4 HIGH from [email protected]

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

Problem Types: CWE-269 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.4HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 15.04 All All All
Operating System Canonical Ubuntu Linux 15.10 All All All
Operating System Debian Debian Linux 7.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Application Ecryptfs Ecryptfs-utils All All All All
Operating System Fedoraproject Fedora 22 All All All
Operating System Fedoraproject Fedora 23 All All All
Operating System Opensuse Leap 42.1 All All All
Operating System Opensuse Opensuse 13.1 All All All
Operating System Opensuse Opensuse 13.2 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
openSUSE-SU-2016:0291-1: moderate: Security update for ecryptfs-utils af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
~ecryptfs/ecryptfs/trunk : revision 870 af854a3a-2127-422b-91ae-364da2661108 bazaar.launchpad.net Patch, Third Party Advisory
eCryptfs procfs Mount Bug Lets Local Users Gain Elevated Privileges - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Broken Link, Third Party Advisory, VDB Entry
USN-2876-1: eCryptfs vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Patch, Third Party Advisory
[SECURITY] Fedora 23 Update: ecryptfs-utils-109-1.fc23 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List, Third Party Advisory
Bug #1530566 “privilege escalation by mounting over /proc/$pid” : Bugs : eCryptfs af854a3a-2127-422b-91ae-364da2661108 bugs.launchpad.net Issue Tracking, Patch, Third Party Advisory
oss-security - Security issue in eCryptfs-utils (CVE-2016-1572) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
openSUSE-SU-2016:0302-1: moderate: Security update for ecryptfs-utils af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Debian -- Security Information -- DSA-3450-1 ecryptfs-utils af854a3a-2127-422b-91ae-364da2661108 www.debian.org Patch, Third Party Advisory
openSUSE-SU-2016:0239-1: moderate: Security update for ecryptfs-utils af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[SECURITY] Fedora 22 Update: ecryptfs-utils-109-1.fc22 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List, Third Party Advisory
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