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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html Mailing List  Release Notes  Third Party Advisory 
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 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:1416 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:2162 Third Party Advisory 
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 Mailing List  Patch  Vendor Advisory 
https://usn.ubuntu.com/3649-1/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read cwe source acceptance level NIST  

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-7858
NVD Published Date:
03/12/2018
NVD Last Modified:
03/29/2019
Source:
MITRE