vulnerability
FreeBSD: VID-8CBD9C08-F8B9-11E6-AE1B-002590263BF5 (CVE-2017-2620): xen-tools -- cirrus_bitblt_cputovideo does not check if memory region is safe
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:S/C:C/I:C/A:C) | Feb 21, 2017 | Feb 22, 2017 | May 3, 2019 |
Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
Feb 21, 2017
Added
Feb 22, 2017
Modified
May 3, 2019
Description
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.
Solution
freebsd-upgrade-package-xen-tools
References
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.