CVE-2018-16598 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

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

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.9