CVE-2016-5105

LOW

Description

The megasas_dcmd_cfg_read function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, uses an uninitialized variable, which allows local guest administrators to read host memory via vectors involving a MegaRAID Firmware Interface (MFI) command.

References

http://www.openwall.com/lists/oss-security/2016/05/25/5

http://www.openwall.com/lists/oss-security/2016/05/26/7

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

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

https://bugzilla.redhat.com/show_bug.cgi?id=1339583

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

https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg04419.html

Details

Source: MITRE

Published: 2016-09-02

Updated: 2018-12-01

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 1.9

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

Impact Score: 2.9

Exploitability Score: 3.4

Severity: LOW

CVSS v3.0

Base Score: 4.1

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

Impact Score: 3.6

Exploitability Score: 0.5

Severity: MEDIUM