CVE-2018-7858

LOW

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.

References

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html

http://www.openwall.com/lists/oss-security/2018/03/09/1

http://www.securityfocus.com/bid/103350

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

https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg02174.html

https://usn.ubuntu.com/3649-1/

Details

Source: MITRE

Published: 2018-03-12

Updated: 2020-11-10

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 2.1

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to 2.11.2 (inclusive)

Configuration 2

OR

cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*

Configuration 3

OR

cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

Configuration 4

OR

cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

Tenable Plugins

View all (21 total)

IDNameProductFamilySeverity
127389NewStart CGSL MAIN 4.05 : qemu-kvm Multiple Vulnerabilities (NS-SA-2019-0133)NessusNewStart CGSL Local Security Checks
low
123493openSUSE Security Update : qemu (openSUSE-2019-1074)NessusSuSE Local Security Checks
medium
122776SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2019:0582-1)NessusSuSE Local Security Checks
medium
122471SUSE SLES12 Security Update : qemu (SUSE-SU-2019:0489-1)NessusSuSE Local Security Checks
medium
121067Juniper Junos Space < 18.3R1 Multiple Vulnerabilities (JSA10917)NessusJunos Local Security Checks
high
111076CentOS 6 : qemu-kvm (CESA-2018:2162) (Spectre)NessusCentOS Local Security Checks
low
111023OracleVM 3.4 : qemu-kvm (OVMSA-2018-0238) (Spectre)NessusOracleVM Local Security Checks
high
111003Scientific Linux Security Update : qemu-kvm on SL6.x i386/x86_64 (20180710) (Spectre)NessusScientific Linux Local Security Checks
low
111000RHEL 6 : qemu-kvm (RHSA-2018:2162) (Spectre)NessusRed Hat Local Security Checks
low
110995Oracle Linux 6 : qemu-kvm (ELSA-2018-2162) (Spectre)NessusOracle Linux Local Security Checks
low
110865EulerOS 2.0 SP3 : qemu-kvm (EulerOS-SA-2018-1201)NessusHuawei Local Security Checks
high
110457Amazon Linux AMI : qemu-kvm (ALAS-2018-1034) (Spectre)NessusAmazon Linux Local Security Checks
high
110451Amazon Linux 2 : qemu-kvm (ALAS-2018-1034) (Spectre)NessusAmazon Linux Local Security Checks
high
110249CentOS 7 : qemu-kvm (CESA-2018:1416)NessusCentOS Local Security Checks
low
110149EulerOS 2.0 SP2 : qemu-kvm (EulerOS-SA-2018-1145)NessusHuawei Local Security Checks
low
110148EulerOS 2.0 SP1 : qemu-kvm (EulerOS-SA-2018-1144)NessusHuawei Local Security Checks
high
109894Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : QEMU vulnerabilities (USN-3649-1)NessusUbuntu Local Security Checks
medium
109854Scientific Linux Security Update : qemu-kvm on SL7.x x86_64 (20180515)NessusScientific Linux Local Security Checks
low
109836RHEL 7 : qemu-kvm (RHSA-2018:1416)NessusRed Hat Local Security Checks
low
109811Oracle Linux 7 : qemu-kvm (ELSA-2018-1416)NessusOracle Linux Local Security Checks
low
109755RHEL 7 : qemu-kvm-rhev (RHSA-2018:1369)NessusRed Hat Local Security Checks
medium