CVE-2020-10071

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.

CVSS v3 9.0 CRITICAL
CVSS v2.0 7.5 HIGH

9.0^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10071	Vendor Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/989c4713ba429aa5105fe476b4d629718f3e6082	Patch Third Party Advisory
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment	Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-86	Third Party Advisory
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10071	Vendor Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/989c4713ba429aa5105fe476b4d629718f3e6082	Patch Third Party Advisory
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment	Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-86	Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 04:54

Type	Values Removed	Values Added
CVSS	v2 : ~~7.5~~ v3 : ~~9.8~~	v2 : 7.5 v3 : 9.0
References	~~() https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10071 - Vendor Advisory~~	() https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10071 - Vendor Advisory
References	~~() https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/989c4713ba429aa5105fe476b4d629718f3e6082 - Patch, Third Party Advisory~~	() https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/989c4713ba429aa5105fe476b4d629718f3e6082 - Patch, Third Party Advisory
References	~~() https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment - Third Party Advisory~~	() https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment - Third Party Advisory
References	~~() https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-86 - Third Party Advisory~~	() https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-86 - Third Party Advisory

Information

Published : 2020-06-05 18:15

Updated : 2024-11-21 04:54

NVD link : CVE-2020-10071

Mitre link : CVE-2020-10071

CVE.ORG link : CVE-2020-10071

JSON object : View

Products Affected

zephyrproject

zephyr

CWE

CWE-120

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

CWE-129

Improper Validation of Array Index

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9.0 /10