imPC@ndo IT

Tracker / CVE-2017-2620

CVE-2017-2620

Medium 5.5

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

Affected products and versions

citrix xenserver
debian debian_linux
qemu qemu · … → 2.8.0
redhat enterprise_linux_desktop
redhat enterprise_linux_server
redhat enterprise_linux_server_aus
redhat enterprise_linux_server_eus
redhat enterprise_linux_workstation
redhat openstack
xen xen
xen xen · … → 4.7.1

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References