CVE-2016-10318 Detail
Current Description
A missing authorization check in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support in the Linux kernel before 4.7.4 allows a user to assign an encryption policy to a directory owned by a different user, potentially creating a denial of service.
Source:
MITRE
Description Last Modified:
04/04/2017
View Analysis Description
Analysis Description
A missing authorization check in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support in the Linux kernel before 4.7.4 allows a user to assign an encryption policy to a directory owned by a different user, potentially creating a denial of service.
Source:
MITRE
Description Last Modified:
04/04/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
6.5 MEDIUM
Vector:
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
2.8
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.0 MEDIUM
Vector:
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.0
Access Vector (AV):
Network
Access Complexity (AC):
Insufficient_Info
Authentication (AU):
Single
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows disruption of service
References to Advisories, Solutions, and Tools
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Technical Details
Vulnerability Type
(View All)
- Permissions, Privileges, and Access Control (CWE-264)
Change History
2 change records found
- show changes
Initial Analysis -
4/11/2017 11:32:38 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:o:linux:linux_kernel:4.7.3:*:*:*:*:*:*:* (and previous) |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:S/C:N/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-264 |
| Changed |
Reference Type |
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=163ae1c6ad6299b19e22b4a35d5ab24a89791a98 No Types Assigned |
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=163ae1c6ad6299b19e22b4a35d5ab24a89791a98 Patch, Vendor Advisory |
| Changed |
Reference Type |
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.4 No Types Assigned |
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.4 Release Notes, Vendor Advisory |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/97404 No Types Assigned |
http://www.securityfocus.com/bid/97404 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://github.com/torvalds/linux/commit/163ae1c6ad6299b19e22b4a35d5ab24a89791a98 No Types Assigned |
https://github.com/torvalds/linux/commit/163ae1c6ad6299b19e22b4a35d5ab24a89791a98 Patch, Third Party Advisory |
CVE Modified by MITRE -
4/6/2017 9:59:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/97404 [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2016-10318
NVD Published Date:
04/04/2017
NVD Last Modified:
04/11/2017
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