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CVE-2018-16867

Date: December 12, 2018

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.

Language: C

Severity Score

Related Resources (9)

https://security-tracker.debian.org/tracker/CVE-2018-16867
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16867
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
https://usn.ubuntu.com/3923-1/
http://www.securityfocus.com/bid/106195
https://www.openwall.com/lists/oss-security/2018/12/06/1
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-16867
https://nvd.nist.gov/vuln/detail/CVE-2018-16867
https://www.mend.io/vulnerability-database/CVE-2018-16867

Severity Score

Weakness Type (CWE)

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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