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CVE-2018-16867

QEMU: dev-mtp: path traversal in usb_mtp_write_data of the Media Transfer Protocol (MTP)

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Severity

Important

Red Hat Product Security

7

CVSS 3.0

Review impact separately from score.

Published · December 3, 2018

Updated · November 22, 2025

Description

A flaw was found in QEMU's Media Transfer Protocol (MTP) where a path traversal in the in usb_mtp_write_data function in hw/usb/dev-mtp.c due to an improper file name sanitization. Reading and writing of arbitrary files is allowed when a guest device is mounted which may lead to a denial of service scenario or possibly lead to code execution on the host.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 7
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H

CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')