CVE-2020-1711
qemu - security update
6.0
MEDIUM
CVSS 3.1
EPSS 0.56%
Description
An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host.
How to fix CVE-2020-1711
To remediate CVE-2020-1711, upgrade the affected package to a fixed version below.
- —upgrade to 1:4.2-2 or later
- —upgrade to 1:2.1+dfsg-12+deb8u14 or later
Is CVE-2020-1711 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:4.2-2
- from 0, < 1:2.1+dfsg-12+deb8u14
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L |