CVE-2021-3454 — Improper Handling of Length Parameter Inconsistency in Zephyr

CWE-130 — Improper Handling of Length Parameter InconsistencyCWE-617 — Reachable Assertion2 documents2 sources
Severity
7.5HIGHNVD
CNA4.3
EPSS
0.3%
top 43.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Zephyrproject-rtos ZephyrZephyrproject Zephyr
Timeline
PublishedOct 19

Description

Truncated L2CAP K-frame causes assertion failure. Zephyr versions >= 2.4.0, >= v.2.50 contain Improper Handling of Length Parameter Inconsistency (CWE-130), Reachable Assertion (CWE-617). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fx88-6c29-vrp3

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5zephyrproject-rtos/zephyr2.4.0 — unspecified+1
▶NVDzephyrproject/zephyr2.4.0 — 2.6.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

1
CVEList
Truncated L2CAP K-frame causes assertion failure↗2021-10-19
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CVE-2021-3454 — Zephyrproject-rtos Zephyr vulnerability | cvebase