CVE-2018-7550

CVE Details

Release Date:	2018-03-01
Impact:	Moderate	What is this?

Description

The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.

See more information about CVE-2018-7550 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	8.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Changed
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (qemu)	ELSA-2018-4285	2018-11-20
Oracle Linux version 7 (qemu)	ELSA-2018-4289	2018-11-28
Oracle Linux version 7 (qemu)	ELSA-2019-4585	2019-03-15
Oracle Linux version 7 (qemu-kvm)	ELSA-2018-2462	2018-08-16