CVE-2021-3861 — Heap-based Buffer Overflow in Zephyr

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write3 documents3 sources
Severity
6.8MEDIUMNVD
CNA8.2
EPSS
0.0%
top 84.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Zephyrproject-rtos ZephyrZephyrproject Zephyr
Timeline
PublishedFeb 7

Description

The RNDIS USB device class includes a buffer overflow vulnerability. Zephyr versions >= v2.6.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 0.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5zephyrproject-rtos/zephyrv2.6.0 — unspecified
▶NVDzephyrproject/zephyr2.6.0 — 2.7.1

🔴Vulnerability Details

2
CVEList
The RNDIS USB device class includes a buffer overflow vulnerability↗2022-02-07
▶
OSV
CVE-2021-3861: The RNDIS USB device class includes a buffer overflow vulnerability↗2022-02-07
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CVE-2021-3861 — Heap-based Buffer Overflow in Zephyr | cvebase