Description
USB DFU has a potential buffer overflow where the requested length (wLength) is not checked against the buffer size. This could be used by a malicious USB host to exploit the buffer overflow. See NCC-ZEP-002 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| zephyrproject-rtos | zephyr | 1.14.1 – < unspecified, 2.1.0 – < unspecified | unspecified |
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25
- https://github.com/zephyrproject-rtos/zephyr/pull/23190
- https://github.com/zephyrproject-rtos/zephyr/pull/23457
- https://github.com/zephyrproject-rtos/zephyr/pull/23460
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10019