Vulnerability · Published May 11, 2020 · Assigned by zephyr
CVE-2020-10019Buffer Overflow in USB DFU requested length
High 8.1
In plain English
A high-severity buffer overflow in zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.5%top 60.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zephyrproject-rtos | zephyr | 1.14.1 – before unspecified2.1.0 – before unspecified |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
References
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23190 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23457 x_refsource_MISC
- https://github.com/zephyrproject-rtos/zephyr/pull/23460 x_refsource_MISC
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10019 x_refsource_MISC