CVE-2017-7471

HIGH

Description

Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System (9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.

References

http://www.openwall.com/lists/oss-security/2017/04/19/2

http://www.securityfocus.com/bid/97970

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7471

https://git.qemu.org/?p=qemu.git;a=commitdiff;h=9c6b899f7a46893ab3b671e341a2234e9c0c060e

https://security.gentoo.org/glsa/201706-03

Details

Source: MITRE

Published: 2018-07-09

Updated: 2019-10-03

Type: CWE-732

Risk Information

CVSS v2.0

Base Score: 7.7

Vector: AV:A/AC:L/Au:S/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 5.1

Severity: HIGH

CVSS v3.0

Base Score: 9

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

Impact Score: 6

Exploitability Score: 2.3

Severity: CRITICAL