PT-2021-20079
CVE-2021-3321
·
Published
2021-10-12
·
Updated
2021-10-18
Description by
CVSS 3.1
8.8
HighMetricsAV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Zephyr versions 2.4.0 and later
Description
The issue is related to an integer underflow in Zephyr's IEEE 802154 fragment reassembly header removal, which can lead to a buffer overflow. This is classified as an integer overflow to buffer overflow, CWE-680.
Recommendations
For Zephyr versions 2.4.0 and later, at the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Researchers
Vendors
Affected products
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