CVE-2017-15289

LOW

Description

The mode4and5 write functions in hw/display/cirrus_vga.c in Qemu allow local OS guest privileged users to cause a denial of service (out-of-bounds write access and Qemu process crash) via vectors related to dst calculation.

References

http://www.openwall.com/lists/oss-security/2017/10/12/16

http://www.securityfocus.com/bid/101262

https://access.redhat.com/errata/RHSA-2017:3368

https://access.redhat.com/errata/RHSA-2017:3369

https://access.redhat.com/errata/RHSA-2017:3466

https://access.redhat.com/errata/RHSA-2017:3470

https://access.redhat.com/errata/RHSA-2017:3471

https://access.redhat.com/errata/RHSA-2017:3472

https://access.redhat.com/errata/RHSA-2017:3473

https://access.redhat.com/errata/RHSA-2017:3474

https://access.redhat.com/errata/RHSA-2018:0516

https://bugzilla.redhat.com/show_bug.cgi?id=1501290

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

https://lists.gnu.org/archive/html/qemu-devel/2017-10/msg02557.html

https://usn.ubuntu.com/3575-1/

https://www.debian.org/security/2018/dsa-4213

Details

Source: MITRE

Published: 2017-10-16

Updated: 2018-09-07

Type: CWE-787

Risk Information

CVSS v2.0

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3.0

Base Score: 6

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

Impact Score: 4

Exploitability Score: 1.5

Severity: MEDIUM