CVE-2014-4014
6.2 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:H/Au:N/C:C/I:C/A:C
7.2 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.5%
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.
Affected configurations
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=23adbe12ef7d3d4195e80800ab36b37bee28cd03
secunia.com/advisories/59220
www.exploit-db.com/exploits/33824
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.8
www.openwall.com/lists/oss-security/2014/06/10/4
www.securityfocus.com/bid/67988
www.securitytracker.com/id/1030394
bugzilla.redhat.com/show_bug.cgi?id=1107966
github.com/torvalds/linux/commit/23adbe12ef7d3d4195e80800ab36b37bee28cd03
source.android.com/security/bulletin/2016-12-01.html
Related
6.2 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:H/Au:N/C:C/I:C/A:C
7.2 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.5%