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CVE-2017-2620

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

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on 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
- 2.8.0
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:o:xen:xen:*:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:4.7.1:r1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:4.7.1:r2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:4.7.1:r3:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:4.7.1:r4:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:4.7.1:r7:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:4.7.1:r6:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:4.7.1:r5:*:*:*:*:*:*
  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