CVE-2017-7493 Detail
Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current Description
Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest.
Source:
MITRE
Description Last Modified:
05/17/2017
View Analysis Description
Analysis Description
Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest.
Source:
MITRE
Description Last Modified:
05/17/2017
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:
4.6 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
(V2 legend)
Impact Subscore:
6.4
Exploitability Subscore:
3.9
Access Vector (AV):
Local
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
Partial
Availability (A):
Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
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Change History
3 change records found
- show changes
CVE Modified by MITRE -
6/30/2017 9:30:32 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.gentoo.org/glsa/201706-03 [No Types Assigned] |
Initial Analysis -
5/25/2017 2:44:42 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:L/AC:L/Au:N/C:P/I:P/A:P) |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-284 |
| Changed |
Reference Type |
http://seclists.org/oss-sec/2017/q2/278 No Types Assigned |
http://seclists.org/oss-sec/2017/q2/278 Mailing List, Patch, Third Party Advisory |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/98574 No Types Assigned |
http://www.securityfocus.com/bid/98574 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://bugzilla.redhat.com/show_bug.cgi?id=1451709 No Types Assigned |
https://bugzilla.redhat.com/show_bug.cgi?id=1451709 Issue Tracking, Patch |
| Changed |
Reference Type |
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html No Types Assigned |
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html Mailing List, Patch, Third Party Advisory |
CVE Modified by MITRE -
5/24/2017 9:29:03 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/98574 [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2017-7493
NVD Published Date:
05/17/2017
NVD Last Modified:
06/30/2017
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