CVE-2018-7550

2018-03-0100:00:00

ubuntu.com

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

32.6%

JSON

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchqemu< 1:2.10+dfsg-0ubuntu3.6UNKNOWN
ubuntu18.04noarchqemu< 1:2.11+dfsg-1ubuntu7.1UNKNOWN
ubuntu18.10noarchqemu< 1:2.11+dfsg-1ubuntu9UNKNOWN
ubuntu19.04noarchqemu< 1:2.11+dfsg-1ubuntu9UNKNOWN
ubuntu19.10noarchqemu< 1:2.11+dfsg-1ubuntu9UNKNOWN
ubuntu20.04noarchqemu< 1:2.11+dfsg-1ubuntu9UNKNOWN
ubuntu20.10noarchqemu< 1:2.11+dfsg-1ubuntu9UNKNOWN
ubuntu21.04noarchqemu< 1:2.11+dfsg-1ubuntu9UNKNOWN
ubuntu14.04noarchqemu< 2.0.0+dfsg-2ubuntu1.41UNKNOWN
ubuntu16.04noarchqemu< 1:2.5+dfsg-5ubuntu10.28UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	17.10	noarch	qemu	< 1:2.10+dfsg-0ubuntu3.6	UNKNOWN
ubuntu	18.04	noarch	qemu	< 1:2.11+dfsg-1ubuntu7.1	UNKNOWN
ubuntu	18.10	noarch	qemu	< 1:2.11+dfsg-1ubuntu9	UNKNOWN
ubuntu	19.04	noarch	qemu	< 1:2.11+dfsg-1ubuntu9	UNKNOWN
ubuntu	19.10	noarch	qemu	< 1:2.11+dfsg-1ubuntu9	UNKNOWN
ubuntu	20.04	noarch	qemu	< 1:2.11+dfsg-1ubuntu9	UNKNOWN
ubuntu	20.10	noarch	qemu	< 1:2.11+dfsg-1ubuntu9	UNKNOWN
ubuntu	21.04	noarch	qemu	< 1:2.11+dfsg-1ubuntu9	UNKNOWN
ubuntu	14.04	noarch	qemu	< 2.0.0+dfsg-2ubuntu1.41	UNKNOWN
ubuntu	16.04	noarch	qemu	< 1:2.5+dfsg-5ubuntu10.28	UNKNOWN