Disconnecting L2CAP channel right after invalid ATT request leads freeze (zephyrproject-rtos zephyr)

CVE-2021-3455
MEDIUM 4.3

At a glance

Source
NVD
EPSS
EPSS 1.11 % · percentile 66 ()
State
PUBLISHED
Published
Updated
Assigner
zephyr
NVD status
Modified

Description

Disconnecting L2CAP channel right after invalid ATT request leads freeze. Zephyr versions >= 2.4.0, >= 2.5.0 contain Use After Free (CWE-416). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lzephyr
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LNVD · vulnerabilities@zephyrproject.org (Secondary)
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)
CVSS 2.0MEDIUM 5.0AV:N/AC:L/Au:N/C:N/I:N/A:PNVD · nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
zephyrproject-rtos · zephyraffected 2.4.0 < unspecified ; affected 2.5.0 < unspecified

Sources

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