CVE-2017-14201

The shell DNS command can cause unpredictable results due to misuse of stack variables.

Description

Use After Free vulnerability in the Zephyr shell allows a serial or telnet connected user to cause denial of service, and possibly remote code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.70% Top 30%
Vendor Advisory zephyrproject.org
Affected: Zephyr shell
Published at:
Updated at:

References

Link Tags
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-17 broken link
https://docs.zephyrproject.org/1.14.0/releases/release-notes-1.14.html release notes vendor advisory
https://github.com/zephyrproject-rtos/zephyr/pull/13260 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-14201?
CVE-2017-14201 has been scored as a high severity vulnerability.
How to fix CVE-2017-14201?
To fix CVE-2017-14201, 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-2017-14201 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-14201 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-14201?
CVE-2017-14201 affects Zephyr shell.
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