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VULNERABILITIES

CVE-2020-10071 Details

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.

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References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10071 CVEVendor Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/989c4713ba429aa5105fe476b4d629718f3e6082 CVEPatchThird Party Advisory
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment CVEThird Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-86 CVEThird Party Advisory
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10071 [email protected]Vendor Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')[email protected]
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')[email protected]
CWE-129Improper Validation of Array Index[email protected]

Affected Products

ProductVersions
zephyrproject zephyr
<= 2.2.0

CPE

  • cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-10071
NVD Published Date:
Jun 5, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-10071 Details - Not Deferred