CVE-2021-3330

Public Exploit
RCE/DOS: Linked-list corruption leading to large out-of-bounds write while sorting for forged fragment list in Zephyr

Description

RCE/DOS: Linked-list corruption leading to large out-of-bounds write while sorting for forged fragment list in Zephyr. Zephyr versions >= >=2.4.0 contain Out-of-bounds Write (CWE-787). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fj4r-373f-9456

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Third-Party Advisory github.com
Affected: zephyrproject-rtos zephyr
Published at:
Updated at:

References

Link Tags
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fj4r-373f-9456 patch third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-3330?
CVE-2021-3330 has been scored as a high severity vulnerability.
How to fix CVE-2021-3330?
To fix CVE-2021-3330, 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-2021-3330 being actively exploited in the wild?
It is possible that CVE-2021-3330 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-2021-3330?
CVE-2021-3330 affects zephyrproject-rtos zephyr.
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