National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-7858 Detail

Current Description

Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.

Source:  MITRE
Description Last Modified:  03/12/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
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): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
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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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2018/03/09/1 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/103350 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:1369
https://access.redhat.com/errata/RHSA-2018:1416
https://access.redhat.com/errata/RHSA-2018:2162
https://bugzilla.redhat.com/show_bug.cgi?id=1553402 Issue Tracking Third Party Advisory
https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html Patch
https://usn.ubuntu.com/3649-1/

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-7858
NVD Published Date:
03/12/2018
NVD Last Modified:
07/11/2018