CVE-2016-4454 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
The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read.
Source:
MITRE
Description Last Modified:
06/08/2016
View Analysis Description
Analysis Description
The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local OS guest administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read.
Source:
MITRE
Description Last Modified:
06/01/2016
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
6.0 MEDIUM
Vector:
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
(V3 legend)
Impact Score:
5.2
Exploitability Score:
0.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
3.2 LOW
Vector:
(AV:L/AC:L/Au:S/C:P/I:N/A:P)
(V2 legend)
Impact Subscore:
4.9
Exploitability Subscore:
3.1
Access Vector (AV):
Local
Access Complexity (AC):
Low
Authentication (AU):
Single
Confidentiality (C):
Partial
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows unauthorized disclosure of information
Allows disruption of service
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Change History
8 change records found
- show changes
CVE Modified by MITRE -
6/30/2017 9:29:47 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.gentoo.org/glsa/201609-01 [No Types Assigned] |
CVE Modified by MITRE -
11/28/2016 3:18:12 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/90927 [No Types Assigned] |
Modified Analysis -
9/9/2016 11:13:35 AM
| Action |
Type |
Old Value |
New Value |
| Changed |
CPE Configuration |
Configuration 1
OR
*cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* |
Configuration 1
OR
*cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
Configuration 2
OR
*cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| Changed |
Reference Type |
http://www.openwall.com/lists/oss-security/2016/05/30/3 No Types Assigned |
http://www.openwall.com/lists/oss-security/2016/05/30/3 Third Party Advisory, Mailing List |
| Changed |
Reference Type |
http://www.ubuntu.com/usn/USN-3047-1 No Types Assigned |
http://www.ubuntu.com/usn/USN-3047-1 Third Party Advisory |
| Changed |
Reference Type |
http://www.ubuntu.com/usn/USN-3047-2 No Types Assigned |
http://www.ubuntu.com/usn/USN-3047-2 Third Party Advisory |
| Changed |
Reference Type |
https://bugzilla.redhat.com/show_bug.cgi?id=1336429 No Types Assigned |
https://bugzilla.redhat.com/show_bug.cgi?id=1336429 Issue Tracking |
| Changed |
Reference Type |
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05271.html No Types Assigned |
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05271.html Mailing List, Vendor Advisory, Patch |
CVE Modified by Source -
9/8/2016 10:01:17 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.ubuntu.com/usn/USN-3047-1 |
| Added |
Reference |
|
http://www.ubuntu.com/usn/USN-3047-2 |
CVE Translated -
6/9/2016 10:45:04 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Translation |
|
La función vmsvga_fifo_read_raw en hw/display/vmware_vga.c en QEMU permite a administradores locales del SO invitado obtener información sensible de la memoria del anfitrión o provocar una denegación de servicio (caída del proceso QEMU) cambiando registros FIFO y emitiendo un comando VGA, lo que desencadena una lectura fuera de rango. |
| Removed |
Translation |
La función vmsvga_fifo_read_raw en hw/display/vmware_vga.c en QEMU permite a administradores invitados del SO local obtener información sensible de la memoria del anfitrión o provocar una denegación de servicio (caída del proceso QEMU) cambiando registros FIFO y emitiendo un comando VGA, lo que desencadena una lectura fuera de rango. |
|
CVE Modified by Source -
6/8/2016 9:59:11 PM
| Action |
Type |
Old Value |
New Value |
| Changed |
Description |
The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local OS guest administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read. |
The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read. |
Modified Analysis -
6/2/2016 2:47:45 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
Configuration 1
OR
*cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:L/AC:L/Au:S/C:P/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H |
| Added |
CWE |
|
CWE-119 |
Initial CVE Analysis -
6/2/2016 2:12:10 PM
Quick Info
CVE Dictionary Entry:
CVE-2016-4454
NVD Published Date:
06/01/2016
NVD Last Modified:
06/30/2017
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