CVE-2021-3434

L2CAP: Stack based buffer overflow in le_ecred_conn_req()

Description

Stack based buffer overflow in le_ecred_conn_req(). Zephyr versions >= v2.5.0 Stack-based Buffer Overflow (CWE-121). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm

Categories

4.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory github.com
Affected: zephyrproject-rtos zephyr
Published at:
Updated at:

References

Link Tags
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3434?
CVE-2021-3434 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3434?
To fix CVE-2021-3434, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3434 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3434 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3434?
CVE-2021-3434 affects zephyrproject-rtos zephyr.
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