CVE-2020-1711

CVE Details

Release Date:2020-02-11

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.

See more information about CVE-2020-1711 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 9.9 Base Metrics: AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Access Vector: Network Attack Complexity: Low
Privileges Required: Low User Interaction: None
Scope: Changed Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (qemu)ELSA-2020-55762020-03-17
Oracle Linux version 8 (hivex)ELSA-2020-13582020-04-15
Oracle Linux version 8 (libguestfs)ELSA-2020-13582020-04-15
Oracle Linux version 8 (libguestfs-winsupport)ELSA-2020-13582020-04-15
Oracle Linux version 8 (libiscsi)ELSA-2020-13582020-04-15
Oracle Linux version 8 (libvirt)ELSA-2020-13582020-04-15
Oracle Linux version 8 (libvirt-dbus)ELSA-2020-13582020-04-15
Oracle Linux version 8 (libvirt-python)ELSA-2020-13582020-04-15
Oracle Linux version 8 (nbdkit)ELSA-2020-13582020-04-15
Oracle Linux version 8 (netcf)ELSA-2020-13582020-04-15
Oracle Linux version 8 (perl-Sys-Virt)ELSA-2020-13582020-04-15
Oracle Linux version 8 (qemu-kvm)ELSA-2020-13582020-04-15
Oracle Linux version 8 (seabios)ELSA-2020-13582020-04-15
Oracle Linux version 8 (sgabios)ELSA-2020-13582020-04-15
Oracle Linux version 8 (supermin)ELSA-2020-13582020-04-15



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