L2CAP: Possible Stack based buffer overflow in le_ecred_reconf_req() (zephyrproject-rtos Zephyr)

CVE-2023-5055

HIGH 8.3

At a glance

Source: NVD
EPSS: EPSS 0.75 % · percentile 55 (2026-10-31)
State: PUBLISHED
Published: 2023-11-21 18:05 UTC
Updated: 2024-08-02 07:44 UTC
Assigner: zephyr
NVD status: Modified

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Description

Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.

Weaknesses (CWE)

CWE-121 — Stack-based Buffer Overflow
CWE-787 — Out-of-bounds Write

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wr8r-7f8x-24jj

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.3	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H	zephyr
CVSS 3.1	HIGH 8.3	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H	NVD · vulnerabilities@zephyrproject.org (Secondary)
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2023-57398
GCVE · GCVE-0-2023-5055

Affected configurations (NVD CPE)

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:* ≤ 3.4.0

Affected products

Product	Versions
zephyrproject-rtos · Zephyr	affected * ≤ 3.4

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD