Disclosed
CVE-2018-7858
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.
Exploitation Probability (EPSS)
Low Priority0.06%
The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.
0% (Theoretical)100% (Certainty)
7-Day Exploitation Trend
Vulnerability Timeline
2 eventsMar 12, 2018
Vulnerability Disclosed
Published to component-level vulnerability database.
Nov 10, 2020
Last Updated
Record updated with new analysis or tags.
Threat Actor Attribution
PREMIUM INTELAssociated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes
Remediation & Mitigation
SOLUTIONOfficial patches and mitigation steps are available for this vulnerability.
# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name
Affected Products
16 Total
qemu/qemuAll Versions
opensuse/leap42.3
redhat/enterprise_linux_desktop6.0
redhat/enterprise_linux_desktop7.0
redhat/enterprise_linux_server6.0
References
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlOpensuse
Mailing ListRelease NotesThird Party Advisory
http://www.openwall.com/lists/oss-security/2018/03/09/1Openwall
Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/103350Securityfocus
Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:1369Red Hat
Third Party Advisory
Am I Vulnerable?
Check your domain or package.json for CVE-2018-7858 exposure.
Vulnerability Details
CVSS Base Score
5.5/ 10
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published Date
Mar 12, 2018
Last Modified
Nov 10, 2020
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