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CVE-2020-10070

Date: June 5, 2020

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.

Language: C

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2020-10070
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85
https://www.mend.io/vulnerability-database/CVE-2020-10070

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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