CVE-2018-16598 Other in n/a

Medium 5.9 Published 6 Dec 2018 Updated 5 Aug 2024

The FreeRTOS TCP/IP stack accepts unsolicited DNS responses, allowing attackers to bypass DNS validation mechanisms.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-16598?

CVE-2018-16598 is a medium-severity vulnerability in n/a, published on 6 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in 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. In xProcessReceivedUDPPacket and prvParseDNSReply, any received DNS response is accepted, without confirming it matches a sent DNS request.

Weakness: CWE-441

Which versions are affected by CVE-2018-16598?

It affects 2 products.

Products include Amazon Amazon Web Services Freertos, Amazon Freertos.

How do I fix CVE-2018-16598?

No fix has been published for CVE-2018-16598 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-16598 being exploited?

There is no known exploitation of CVE-2018-16598 in the wild and no public exploit code.

Sources

Also known as GHSA-6p89-hhx8-39mh.