Vulnerability Monitor

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CVE-2020-10062

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.

Published

2020-06-05T18:15:12.573

Last Modified

2024-11-21T04:54:43.857

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.0 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-193
Type: Primary
CWE-193

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	zephyrproject	zephyr	≤ 2.2.0	Yes

References

https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062 Vendor Advisory ([email protected])
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4 Patch, Third Party Advisory ([email protected])
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment Third Party Advisory ([email protected])
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84 Third Party Advisory ([email protected])
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)