CVE-2018-16867

Name: CVE-2018-16867
Creator: NVD / NIST
Published: 2018-12-12T13:29:02.75+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2018-16867 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.42%

34.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Qemu	Qemu	<= 3.0.0	—
Qemu	Qemu	3.1.0	Rc0
Fedoraproject	Fedora	29	—
Canonical	Ubuntu Linux	14.04	—
Canonical	Ubuntu Linux	16.04	—
Canonical	Ubuntu Linux	18.04	—
Canonical	Ubuntu Linux	18.10	—

References

http://www.securityfocus.com/bid/106195Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16867Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
https://usn.ubuntu.com/3923-1/Third Party Advisory
https://www.openwall.com/lists/oss-security/2018/12/06/1Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/106195Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16867Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
https://usn.ubuntu.com/3923-1/Third Party Advisory
https://www.openwall.com/lists/oss-security/2018/12/06/1Mailing List, Patch, Third Party Advisory

Timeline

Published: Dec 12, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-16867?

How severe is CVE-2018-16867?

CVE-2018-16867 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2018-16867?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-16867?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST