CVE-2018-16867

HIGH

qemu < 3.1.0 - Path Traversal and Arbitrary File Write via MTP Filename Sanitization

Title source: llm

Description

A flaw was found in qemu Media Transfer Protocol (MTP) before version 3.1.0. A path traversal in the in usb_mtp_write_data function in hw/usb/dev-mtp.c due to an improper filename sanitization. When the guest device is mounted in read-write mode, this allows to read/write arbitrary files which may lead do DoS scenario OR possibly lead to code execution on the host.

References (5)

Core 5

Core References

Issue Tracking, Patch, Third Party Advisory x_refsource_confirm

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16867

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/106195

Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist

https://www.openwall.com/lists/oss-security/2018/12/06/1

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/

Third Party Advisory vendor-advisory x_refsource_ubuntu

https://usn.ubuntu.com/3923-1/

Scores

CVSS v3 7.8

EPSS 0.0014

EPSS Percentile 33.9%

Attack Vector LOCAL

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

Details

CWE

CWE-362

Status published

Products (7)

canonical/ubuntu_linux 14.04

canonical/ubuntu_linux 16.04

canonical/ubuntu_linux 18.04

canonical/ubuntu_linux 18.10

fedoraproject/fedora 29

qemu/qemu 3.1.0 rc0 (4 CPE variants)

qemu/qemu < 3.0.0

Published Dec 12, 2018

Tracked Since Feb 18, 2026