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CVE-2019-18389

Published: Dec 23, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-787
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.4%
Top 65.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

n/an/a
virglrenderervirglrenderer project
Library
OSS Libraries / generic-library
leapopensuse
On-premOS
Operating Systems / linux-distro
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
debian linuxdebian
On-premOS
Operating Systems / linux-distro
virglrenderer projectoss-projectOSS Librariesaka virglrenderer
opensuseoss-projectDEOperating Systemsaka opensuse
redhatcommercialUSOperating Systemsaka red hat
debianoss-projectGBOperating Systemsaka debian gnu/linux
and 4 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7d
gitlab.freedesktop.org
https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921
gitlab.freedesktop.org
https://bugzilla.redhat.com/show_bug.cgi?id=1765577
bugzilla.redhat.com
and 12 more references View all →

Timeline

Published
Dec 23, 2019
Last Updated
Nov 21, 2024

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