CVE-2016-6351

HIGH

Description

The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.

References

http://git.qemu.org/?p=qemu.git;a=commit;h=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11

http://git.qemu.org/?p=qemu.git;a=commit;h=cc96677469388bad3d66479379735cf75db069e3

http://www.openwall.com/lists/oss-security/2016/07/25/14

http://www.openwall.com/lists/oss-security/2016/07/26/7

http://www.securityfocus.com/bid/92119

http://www.ubuntu.com/usn/USN-3047-1

http://www.ubuntu.com/usn/USN-3047-2

https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

Details

Source: MITRE

Published: 2016-09-07

Updated: 2018-12-01

Type: CWE-787

Risk Information

CVSS v2.0

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH