CVE-2021-3625 — Heap-based Buffer Overflow in Zephyr

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write2 documents2 sources
Severity
9.8CRITICALNVD
CNA9.6
EPSS
5.6%
top 9.71%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Zephyrproject-rtos ZephyrZephyrproject Zephyr
Timeline
PublishedOct 5

Description

Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5zephyrproject-rtos/zephyrv2.5.0 — unspecified
▶NVDzephyrproject/zephyr2.5.0 — 2.7.0

🔴Vulnerability Details

1
CVEList
Buffer overflow in Zephyr USB DFU DNLOAD↗2021-10-05
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CVE-2021-3625 — Heap-based Buffer Overflow in Zephyr | cvebase