CVE-2020-10019: Buffer Overflow in USB DFU requested length

Published May 11, 2020
·
Updated

USB DFU has a potential buffer overflow where the requested length (wLength) is not checked against the buffer size. This could be used by a malicious USB host to exploit the buffer overflow. See NCC-ZEP-002 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

Affected Software

2 affected components
zephyrproject zephyr<1.14.2
zephyrproject zephyr>=2.0.0<=2.1.0

Event History

May 11, 2020
CVE Published
via MITRE·10:26 PM
Data Sourced
via MITRE·10:26 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2020-10019?

CVE-2020-10019 is classified as a high severity vulnerability due to the potential for remote exploitation through a buffer overflow.

2

How do I fix CVE-2020-10019?

To fix CVE-2020-10019, update to Zephyr version 1.14.2 or later, or apply relevant patches.

3

What software is affected by CVE-2020-10019?

CVE-2020-10019 affects Zephyr versions 1.14.1 and later, specifically versions up to 1.14.2 and between 2.0.0 and 2.1.0.

4

What happens if CVE-2020-10019 is exploited?

If exploited, CVE-2020-10019 could allow a malicious USB host to cause a buffer overflow, potentially leading to arbitrary code execution.

5

Is CVE-2020-10019 specific to a particular operating system?

CVE-2020-10019 is specific to the Zephyr RTOS used in various embedded devices.

Contact

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