CVE-2021-38111

Public Exploit

Description

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Third-Party Advisory defcon.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://defcon.org/html/defcon-29/dc-29-speakers.html#kintigh third party advisory exploit
https://github.com/skintigh/defcon27_badge_sdr

Frequently Asked Questions

What is the severity of CVE-2021-38111?
CVE-2021-38111 has been scored as a high severity vulnerability.
How to fix CVE-2021-38111?
To fix CVE-2021-38111, 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-2021-38111 being actively exploited in the wild?
It is possible that CVE-2021-38111 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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