Unrated severityNVD Advisory· Published Jun 5, 2020· Updated Sep 17, 2024
Insufficient publish message length validation in MQTT
CVE-2020-10071
Description
The Zephyr MQTT parsing code performs insufficient checking of the length field on publish messages, allowing a buffer overflow and potentially remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2>=2.2.0+ 1 more
- (no CPE)range: >=2.2.0
- (no CPE)range: 2.2.0
Patches
Vulnerability mechanics
References
4- docs.zephyrproject.org/latest/security/vulnerabilities.htmlmitrex_refsource_MISC
- github.com/zephyrproject-rtos/zephyr/pull/23821/commits/989c4713ba429aa5105fe476b4d629718f3e6082mitrex_refsource_MISC
- research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessmentmitrex_refsource_MISC
- zephyrprojectsec.atlassian.net/browse/ZEPSEC-86mitrex_refsource_MISC
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