Home/CVE/USB DFU has a potential buffer overflow where the requested length (wLength) is not checked against the buffer size. Thi
CVE

CVE-2020-10019

USB DFU has a potential buffer overflow where the requested length (wLength) is not checked against the buffer size. Thi

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.

HIGH · CVSS 8.1 EPSS 0.00221
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

2
zephyrproject zephyr< 1.14.2
zephyrproject zephyr>= 2.0.0 and <= 2.1.0
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · vulnerabilities@zephyrproject.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 May 2020 · 11:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10019
https://github.com/zephyrproject-rtos/zephyr/pull/23190PatchThird Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23457PatchThird Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23460PatchThird Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25Third Party Advisory
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