CVE-2018-5683
Public on 2018-01-23
Modified on 2018-06-11
Description
An out-of-bounds read access issue was found in the VGA emulator of QEMU. It could occur in vga_draw_text routine, while updating display area for a vnc client. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS.
Severity
Low
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | qemu-kvm | 2018-06-08 | ALAS-2018-1034 | Fixed |
| Amazon Linux 2 - Core | qemu-kvm | 2018-06-07 | ALAS2-2018-1034 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv2 | 2.3 | AV:A/AC:M/Au:S/C:N/I:N/A:P |
| Amazon Linux | CVSSv3 | 3.0 | CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L |
| NVD | CVSSv2 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
| NVD | CVSSv3 | 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |