CVE-2018-16603 : Security Advisory and Response
Learn about CVE-2018-16603, a vulnerability in Amazon Web Services (AWS) FreeRTOS and FreeRTOS+TCP, allowing unauthorized access to TCP source and destination port fields, potentially leading to data leakage.
A vulnerability has been identified in different software components, including Amazon Web Services (AWS) FreeRTOS up to version 1.3.1, FreeRTOS up to version 10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component. This vulnerability allows unauthorized access to the TCP source and destination port fields, potentially resulting in data leakage to malicious actors.
Understanding CVE-2018-16603
This CVE involves a security issue in various software components, potentially leading to unauthorized access and data leakage.
What is CVE-2018-16603?
CVE-2018-16603 is a vulnerability found in Amazon Web Services (AWS) FreeRTOS, FreeRTOS with FreeRTOS+TCP, and WITTENSTEIN WHIS Connect middleware TCP/IP component. It allows unauthorized access to TCP source and destination port fields, posing a risk of data exposure to malicious entities.
The Impact of CVE-2018-16603
The vulnerability in CVE-2018-16603 could result in data leakage to unauthorized parties due to the unauthorized access to TCP source and destination port fields.
Technical Details of CVE-2018-16603
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The issue allows out-of-bounds access to TCP source and destination port fields in the xProcessReceivedTCPPacket function, potentially leaking data to attackers.
Affected Systems and Versions
- Amazon Web Services (AWS) FreeRTOS up to version 1.3.1
- FreeRTOS up to version 10.0.1 (with FreeRTOS+TCP)
- WITTENSTEIN WHIS Connect middleware TCP/IP component
Exploitation Mechanism
Unauthorized access to the TCP source and destination port fields in the xProcessReceivedTCPPacket function can lead to data leakage to malicious actors.
Mitigation and Prevention
To address CVE-2018-16603, follow these mitigation steps:
Immediate Steps to Take
- Apply patches provided by the software vendors
- Monitor network traffic for any suspicious activity
- Implement strict access controls
Long-Term Security Practices
- Regularly update software and firmware to the latest versions
- Conduct security audits and penetration testing
- Educate users and administrators on best security practices
Patching and Updates
Ensure that all affected systems are updated with the latest patches to mitigate the vulnerability.