CVE-2017-15289medium
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
Details
Source: MITRE
Published: 2017-10-16
Updated: 2020-11-10
Type: CWE-787
Risk Information
CVSS v2
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
Base Score: 6
Vector: CVSS:3.1/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