CVE-2020-10062
Packet length decoding error in MQTT
- State
- Published
- Severity
- 9.0 Critical
- Published
- Jun 5, 2020
- Updated
- Sep 17, 2024
- Reserved
- Mar 4, 2020
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.0 Critical | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H | zephyr |
Weaknesses
- CWE-193 Off-by-one Error
Affected Products
| Product | Versions |
|---|---|
zephyrzephyrproject-rtos |
|
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
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