VulnerabilityModified
CVE-2020-10019
USB DFU has a potential buffer overflow where the requested length (wLength) is not checked against the buffer size.
HIGH 7.8EPSS 0.45%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- zephyrproject/zephyr
- Source
- vulnerabilities@zephyrproject.org
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10019
- https://github.com/zephyrproject-rtos/zephyr/pull/23190Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23457Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23460Patch, Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25Third Party Advisory
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10019
- https://github.com/zephyrproject-rtos/zephyr/pull/23190Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23457Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/23460Patch, Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.