CVE-2017-7471

Impact:
Important
Public Date:
2017-04-18
CWE:
CWE-284
Bugzilla:
1443401: CVE-2017-7471 Qemu: 9p: virtfs allows guest to change filesystem attributes on host

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2017-7471 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.5
Base Metrics AV:A/AC:H/Au:S/C:C/I:C/A:C
Access Vector Adjacent Network
Access Complexity High
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 7.6
CVSS3 Base Metrics CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector Adjacent Network
Attack Complexity High
Privileges Required High
User Interaction None
Scope Changed
Confidentiality High
Integrity Impact High
Availability Impact High

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat OpenStack Platform 9.0 qemu-kvm-rhev Not affected
Red Hat OpenStack Platform 8.0 (Liberty) qemu-kvm-rhev Not affected
Red Hat OpenStack Platform 10 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) qemu-kvm-rhev Not affected
Red Hat Enterprise Linux 7 qemu-kvm-rhev Not affected
Red Hat Enterprise Linux 7 qemu-kvm Not affected
Red Hat Enterprise Linux 6 qemu-kvm Not affected
Red Hat Enterprise Linux 5 kvm Not affected
Red Hat Enterprise Linux 5 xen Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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