CVE-2017-18030 Information

Description

The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.openwall.com/lists/oss-security/2018/01/15/3 http://www.securityfocus.com/bid/102520 https://git.qemu.org/?p=qemu.git;a=commit;h=f153b563f8cf121aebf5a2fff5f0110faf58ccb3 https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.4