CVE-2018-16525

Public Exploit

Description

Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow remote attackers to execute arbitrary code or leak information because of a Buffer Overflow during parsing of DNS\LLMNR packets in prvParseDNSReply.

8.1

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 8.28% Top 10%

Third-Party Advisory zimperium.com Third-Party Advisory zimperium.com Third-Party Advisory github.com

Affected: n/a n/a

References

Link	Tags
https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md	third party advisory release notes
https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/	third party advisory exploit
https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/	third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-16525?: CVE-2018-16525 has been scored as a high severity vulnerability.
How to fix CVE-2018-16525?: To fix CVE-2018-16525, 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-2018-16525 being actively exploited in the wild?: It is possible that CVE-2018-16525 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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