CVE-2021-38111

The DEF CON 27 badge allows remote attackers to exploit a buffer overflow by sending an oversized packet via the NFMI (Near Field Magnetic Induction) protocol.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 54%
VendorProductVersion
defcondef_con_27_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://defcon.org/html/defcon-29/dc-29-speakers.html#kintigh
https://github.com/skintigh/defcon27_badge_sdr
https://defcon.org/html/defcon-29/dc-29-speakers.html#kintigh
https://github.com/skintigh/defcon27_badge_sdr