CVE-2021-3835 — Heap-based Buffer Overflow in Zephyr

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write3 documents3 sources
Severity
8.8HIGHNVD
CNA8.2
EPSS
0.1%
top 69.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Zephyrproject-rtos ZephyrZephyrproject Zephyr
Timeline
PublishedFeb 7

Description

Buffer overflow in usb device class. 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-fm6v-8625-99jf

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5zephyrproject-rtos/zephyrv2.6.0 — unspecified
▶NVDzephyrproject/zephyr2.6.0 — 2.7.1+1

🔴Vulnerability Details

2
CVEList
Buffer overflow in usb device class↗2022-02-07
▶
OSV
CVE-2021-3835: Buffer overflow in usb device class↗2022-02-07
▶
CVE-2021-3835 — Heap-based Buffer Overflow in Zephyr | cvebase