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CVE-2018-16598

Date: December 6, 2018

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.

Language: C

Severity Score

Related Resources (5)

https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md
https://nvd.nist.gov/vuln/detail/CVE-2018-16598
https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/
https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/
https://www.mend.io/vulnerability-database/CVE-2018-16598

Severity Score

Weakness Type (CWE)

Unintended Proxy or Intermediary ('Confused Deputy')

CWE-441

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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