CVE-2020-10070: MQTT buffer overflow on receive buffer
First published: Fri Jun 05 2020(Updated: )
In the Zephyr Project MQTT code, improper bounds checking can result in memory corruption and possibly remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
Credit: vulnerabilities@zephyrproject.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zephyr Project Manager | <=2.2.0 |
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Reference Links
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070
- https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542
- https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85
Frequently Asked Questions
What is the severity of CVE-2020-10070?
CVE-2020-10070 is rated as a high severity vulnerability due to the potential for memory corruption and remote code execution.
How do I fix CVE-2020-10070?
To fix CVE-2020-10070, update your Zephyr Project version to a patch release that addresses the improper bounds checking issue.
What versions are affected by CVE-2020-10070?
CVE-2020-10070 affects Zephyr Project versions 2.2.0 and later.
Can CVE-2020-10070 be exploited remotely?
Yes, CVE-2020-10070 can be exploited remotely due to memory corruption vulnerabilities.
What components of the Zephyr Project does CVE-2020-10070 impact?
CVE-2020-10070 impacts the MQTT code within the Zephyr Project.
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