CVE-2020-10019

Buffer Overflow in USB DFU requested length

Description

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.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.09%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory atlassian.net
Affected: zephyrproject-rtos zephyr
Published at:
Updated at:

References

Link Tags
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25 third party advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23190 third party advisory patch
https://github.com/zephyrproject-rtos/zephyr/pull/23457 third party advisory patch
https://github.com/zephyrproject-rtos/zephyr/pull/23460 third party advisory patch
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10019

Frequently Asked Questions

What is the severity of CVE-2020-10019?
CVE-2020-10019 has been scored as a high severity vulnerability.
How to fix CVE-2020-10019?
To fix CVE-2020-10019, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-10019 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-10019 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-10019?
CVE-2020-10019 affects zephyrproject-rtos zephyr.
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