CVE-2016-1575 Detail
Current Description
The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.
Source:
MITRE
Description Last Modified:
05/02/2016
View Analysis Description
Analysis Description
The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.
Source:
MITRE
Description Last Modified:
05/02/2016
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.8 HIGH
Vector:
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
7.2 HIGH
Vector:
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
(V2 legend)
Impact Subscore:
10.0
Exploitability Subscore:
3.9
Access Vector (AV):
Local
Access Complexity (AC):
Low
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
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because
they may have information that would be of interest to you. No inferences should be drawn on account of other sites
being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose.
NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further,
NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about
this page to nvd@nist.gov.
Technical Details
Vulnerability Type
(View All)
- Permissions, Privileges, and Access Control (CWE-264)
Change History
3 change records found
- show changes
Reanalysis -
5/8/2017 11:31:39 AM
| Action |
Type |
Old Value |
New Value |
| Changed |
Reference Type |
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360 No Types Assigned |
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360 Patch, Vendor Advisory |
| Changed |
Reference Type |
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html No Types Assigned |
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html Third Party Advisory |
| Changed |
Reference Type |
http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/ Exploit |
http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/ Exploit, Third Party Advisory |
| Changed |
Reference Type |
http://www.openwall.com/lists/oss-security/2016/02/24/7 No Types Assigned |
http://www.openwall.com/lists/oss-security/2016/02/24/7 Mailing List, Third Party Advisory |
| Changed |
Reference Type |
https://launchpad.net/bugs/1534961 No Types Assigned |
https://launchpad.net/bugs/1534961 Third Party Advisory |
Modified Analysis -
5/4/2016 6:20:44 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
Record truncated, showing 500 of 575 characters.
View Entire Change Record
Configuration 1
OR
*cpe:2.3:o:linux:linux_kernel:4.5.2:*:*:*:*:*:*:* (and previous)
Configuration 2
OR
*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_core:15.04:*:*:*:*:*:*:*
*cpe:2.3:o:canonical:ubuntu_touch:15.04:*:*:*:*:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*: |
| Added |
CVSS V2 |
|
(AV:L/AC:L/Au:N/C:C/I:C/A:C) |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-264 |
| Changed |
Reference Type |
http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/ No Types Assigned |
http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/ Exploit |
Initial CVE Analysis -
5/4/2016 2:40:26 PM
Quick Info
CVE Dictionary Entry:
CVE-2016-1575
NVD Published Date:
05/02/2016
NVD Last Modified:
05/08/2017
|