Description
An off-by-one error in the Zephyr project MQTT packet length decoder can result in memory corruption and possible remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| zephyrproject-rtos | zephyr | 2.2.0 – < unspecified | unspecified |
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062
- https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4
- https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment