First published: Tue Oct 05 2021(Updated: )
BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known. Zephyr versions >= 1.14.2, >= 2.4.0, >= 2.5.0 contain Use of Multiple Resources with Duplicate Identifier (CWE-694). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j76f-35mc-4h63
Credit: vulnerabilities@zephyrproject.org
Affected Software | Affected Version | How to fix |
---|---|---|
Zephyrproject Zephyr | =1.14.2 | |
Zephyrproject Zephyr | =2.4.0 | |
Zephyrproject Zephyr | =2.5.0 |
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CVE-2021-3436 is a vulnerability that allows for the overwriting of an existing bond during the keys distribution phase when the identity address of the bond is known.
Zephyr versions >= 1.14.2, >= 2.4.0, and >= 2.5.0 are affected by CVE-2021-3436.
CVE-2021-3436 has a severity level of 6.5 (medium).
To fix CVE-2021-3436, it is recommended to upgrade to a version of Zephyr that is not affected by the vulnerability.
More information about CVE-2021-3436 can be found at http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j76f-35mc-4h63.