CVE-2020-10063: Remote Denial of Service in CoAP Option Parsing Due To Integer Overflow
First published: Fri Jun 05 2020(Updated: )
A remote adversary with the ability to send arbitrary CoAP packets to be parsed by Zephyr is able to cause a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
Credit: vulnerabilities@zephyrproject.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zephyrproject Zephyr | <=2.2.0 |
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Reference Links
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10063
- https://github.com/zephyrproject-rtos/zephyr/pull/24435
- https://github.com/zephyrproject-rtos/zephyr/pull/24530
- https://github.com/zephyrproject-rtos/zephyr/pull/24531
- https://github.com/zephyrproject-rtos/zephyr/pull/24535
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-55
Frequently Asked Questions
What is the severity of CVE-2020-10063?
The severity of CVE-2020-10063 is high with a CVSS score of 7.5.
How does CVE-2020-10063 impact Zephyr?
CVE-2020-10063 allows a remote adversary to cause a denial of service by sending arbitrary CoAP packets to be parsed by Zephyr.
Which versions of Zephyr are affected by CVE-2020-10063?
Zephyr version 2.2.0 and later versions are affected by CVE-2020-10063.
How can I fix CVE-2020-10063?
The fix for CVE-2020-10063 can be found in the Zephyr project's GitHub repository. It is recommended to update to the latest version of Zephyr that includes the fix.
Where can I find more information about CVE-2020-10063?
More information about CVE-2020-10063 can be found in the Zephyr project's security vulnerabilities documentation.
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