CVE-2019-13120

Description

Amazon FreeRTOS up to and including v1.4.8 lacks length checking in prvProcessReceivedPublish, resulting in untargetable leakage of arbitrary memory contents on a device to an attacker. If an attacker has the authorization to send a malformed MQTT publish packet to an Amazon IoT Thing, which interacts with an associated vulnerable MQTT message in the application, specific circumstances could trigger this vulnerability.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.32%
Vendor Advisory amazon.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://aws.amazon.com/cn/freertos/security-updates/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-13120?
CVE-2019-13120 has been scored as a high severity vulnerability.
How to fix CVE-2019-13120?
To fix CVE-2019-13120, 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-2019-13120 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-13120 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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