National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-4014 Detail

Current Description

The capabilities implementation in the Linux kernel before 3.14.8 does not properly consider that namespaces are inapplicable to inodes, which allows local users to bypass intended chmod restrictions by first creating a user namespace, as demonstrated by setting the setgid bit on a file with group ownership of root.

Source:  MITRE
Description Last Modified:  06/23/2014
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.2 MEDIUM
Vector: (AV:L/AC:H/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 1.9


Access Vector (AV): Local
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=23adbe12ef7d3d4195e80800ab36b37bee28cd03 Vendor Advisory
http://secunia.com/advisories/59220 Third Party Advisory
http://www.exploit-db.com/exploits/33824 Third Party Advisory VDB Entry
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.8 Vendor Advisory
http://www.openwall.com/lists/oss-security/2014/06/10/4 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/67988 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1030394 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1107966 Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/23adbe12ef7d3d4195e80800ab36b37bee28cd03 Third Party Advisory
https://source.android.com/security/bulletin/2016-12-01.html Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
3.14.8


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-4014
NVD Published Date:
06/23/2014
NVD Last Modified:
12/18/2018