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.
References
Link | Resource |
---|---|
https://github.com/torvalds/linux/commit/23adbe12ef7d3d4195e80800ab36b37bee28cd03 | Third Party Advisory |
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.8 | Vendor Advisory |
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=23adbe12ef7d3d4195e80800ab36b37bee28cd03 | Vendor Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=1107966 | Issue Tracking Third Party Advisory |
http://www.openwall.com/lists/oss-security/2014/06/10/4 | Mailing List Third Party Advisory |
http://www.securitytracker.com/id/1030394 | Third Party Advisory VDB Entry |
http://www.securityfocus.com/bid/67988 | Third Party Advisory VDB Entry |
http://www.exploit-db.com/exploits/33824 | Third Party Advisory VDB Entry |
http://secunia.com/advisories/59220 | Third Party Advisory |
https://source.android.com/security/bulletin/2016-12-01.html | Third Party Advisory |
Configurations
Information
Published : 2014-06-23 04:21
Updated : 2018-12-18 06:31
NVD link : CVE-2014-4014
Mitre link : CVE-2014-4014
JSON object : View
CWE
CWE-264
Permissions, Privileges, and Access Controls
Products Affected
linux
- linux_kernel