SB2020051285 - Multiple vulnerabilities in rutantan zephyr
Published: May 12, 2020 Updated: August 9, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2020-10061)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Improper handling of the full-buffer case in the Zephyr Bluetooth implementation can result in memory corruption. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.
2) Input validation error (CVE-ID: CVE-2020-10068)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.
3) Out-of-bounds write (CVE-ID: CVE-2020-10021)
The vulnerability allows a local authenticated user to execute arbitrary code.
Out-of-bounds Write in the USB Mass Storage memoryWrite handler with unaligned Sizes See NCC-ZEP-024, NCC-ZEP-025, NCC-ZEP-026 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.
Remediation
Install update from vendor's website.
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10061
- https://github.com/zephyrproject-rtos/zephyr/pull/23091
- https://github.com/zephyrproject-rtos/zephyr/pull/23516
- https://github.com/zephyrproject-rtos/zephyr/pull/23517
- https://github.com/zephyrproject-rtos/zephyr/pull/23547
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-75
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10068
- https://github.com/zephyrproject-rtos/zephyr/pull/23707
- https://github.com/zephyrproject-rtos/zephyr/pull/23708
- https://github.com/zephyrproject-rtos/zephyr/pull/23964
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-78
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10021
- https://github.com/zephyrproject-rtos/zephyr/pull/23240
- https://github.com/zephyrproject-rtos/zephyr/pull/23455
- https://github.com/zephyrproject-rtos/zephyr/pull/23456
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-26