CVE-2016-4439

medium

Description

The esp_reg_write function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check command buffer length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or potentially execute arbitrary code on the QEMU host via unspecified vectors.

References

https://security.gentoo.org/glsa/201609-01

https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03273.html

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

https://bugzilla.redhat.com/show_bug.cgi?id=1337502

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

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

http://www.securityfocus.com/bid/90760

http://www.openwall.com/lists/oss-security/2016/05/19/3

Details

Source: Mitre, NVD

Published: 2016-05-20

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.7

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

Severity: Medium