CVE-2016-9602 Information

Description

Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. 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.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2017/01/17/12 http://www.securityfocus.com/bid/95461 http://www.securitytracker.com/id/1037604 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602 https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06225.html https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg04347.html https://security.gentoo.org/glsa/201704-01

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8