CVE-2018-7858

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
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.
Overview
  • CVE ID
  • CVE-2018-7858
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-03-12T21:29:01
  • Last Modified Date
  • 2020-11-10T18:54:35
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 1 OR 2.11.2
cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html Mailing List Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1553402 Issue Tracking 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://usn.ubuntu.com/3649-1/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2162 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html Mailing List Release Notes Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7858
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7858
History
Created Old Value New Value Data Type Notes
2022-05-10 16:20:28 Added to TrackCVE
2022-12-03 03:18:14 2018-03-12T21:29Z 2018-03-12T21:29:01 CVE Published Date updated
2022-12-03 03:18:14 2020-11-10T18:54:35 CVE Modified Date updated
2022-12-03 03:18:14 Analyzed Vulnerability Status updated