CVE-2018-16602: FreeRTOS TCP/IP

[senier]

Description

The prvProcessDHCPReplies function doesn’t validate that a packet is large enough to be a valid DHCP packet.

Root cause

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. Out of bounds memory access during parsing of DHCP responses in prvProcessDHCPReplies can be used for information disclosure.

Software

Name

FreeRTOS

Versions affected

1.3.1 - 10.0.1

Links

• CVE Entry
• In-depth analysis