CVE-2023-4259

Public Exploit
Potential buffer overflow vulnerabilities in the Zephyr eS-WiFi driver

Description

Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.17%
Vendor Advisory github.com
Affected: zephyrproject-rtos Zephyr
Published at:
Updated at:

References

Link Tags
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gghm-c696-f4j4 vendor advisory exploit
http://www.openwall.com/lists/oss-security/2023/11/07/1 mailing list
http://seclists.org/fulldisclosure/2023/Nov/1 third party advisory mailing list
http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-4259?
CVE-2023-4259 has been scored as a high severity vulnerability.
How to fix CVE-2023-4259?
To fix CVE-2023-4259, 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-2023-4259 being actively exploited in the wild?
It is possible that CVE-2023-4259 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.
What software or system is affected by CVE-2023-4259?
CVE-2023-4259 affects zephyrproject-rtos Zephyr.
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