CVE-2018-16525: FreeRTOS TCP/IP

[senier]

Description

DNS/LLMNR memory corruption/information leak

Root cause

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 allow remote attackers to execute arbitrary code or leak information because of a Buffer Overflow during parsing of DNS\LLMNR packets in prvParseDNSReply.

Software

Name

FreeRTOS

Versions affected

1.3.1-10.0.1

Links

• CVE Entry
• In-depth analysis

[senier]

Added example for the first vulnerability based on xDataLength. The DNS vulnerability is out of scope for now.