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CVE-2016-9603

CVE information

Published

5 years ago

Last Modified

5 months ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

Critical

Impact Analysis

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Description

A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process..

CVSSv2.0 Score

Severity
High
Base Score
9/10
Exploit Score
8/10
Access Vector
Network
Access Complexity
Low
Authentication Required
Single
Impact Score
10/10
Confidentiality Impact
Complete
Availability Impact
Complete
Integrity Impact
Complete

CVSSv3.1 Score

Severity
Critical
Base Score
9.9/10
Exploit Score
3.1/10
Access Vector
Network
Access Complexity
Low
Privileges Required
Low
Impact Score
6/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Changed
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
  Yes
- 2.9.0
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:citrix:xenserver:7.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:citrix:xenserver:6.5:sp1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:citrix:xenserver:6.2.0:sp1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*
  Yes
- -

References