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.

CVSS v3 8.8 HIGH
CVSS v2.0 5.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:A/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 6.5 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://defcon.org/html/defcon-29/dc-29-speakers.html#kintigh	Exploit Third Party Advisory
https://github.com/skintigh/defcon27_badge_sdr
https://defcon.org/html/defcon-29/dc-29-speakers.html#kintigh	Exploit Third Party Advisory
https://github.com/skintigh/defcon27_badge_sdr

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:defcon:def_con_27_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:defcon:def_con_27:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:16

Type	Values Removed	Values Added
References	~~() https://defcon.org/html/defcon-29/dc-29-speakers.html#kintigh - Exploit, Third Party Advisory~~	() https://defcon.org/html/defcon-29/dc-29-speakers.html#kintigh - Exploit, Third Party Advisory
References	~~() https://github.com/skintigh/defcon27_badge_sdr -~~	() https://github.com/skintigh/defcon27_badge_sdr -

21 Nov 2023, 17:15

Type	Values Removed	Values Added
References		() https://github.com/skintigh/defcon27_badge_sdr -

Information

Published : 2021-08-04 18:15

Updated : 2024-11-21 06:16

NVD link : CVE-2021-38111

Mitre link : CVE-2021-38111

CVE.ORG link : CVE-2021-38111

JSON object : View

Products Affected

defcon

def_con_27_firmware
def_con_27

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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