CVE-2019-14031 Explained : Impact and Mitigation

Buffer overflow vulnerability in multiple Qualcomm Snapdragon platforms

Understanding CVE-2019-14031

What is CVE-2019-14031?

Buffer overflow can occur when parsing RSN IE in various Qualcomm Snapdragon platforms, leading to a security issue.

The Impact of CVE-2019-14031

This vulnerability affects a wide range of Qualcomm Snapdragon platforms and chips, potentially allowing attackers to exploit the buffer overflow.

Technical Details of CVE-2019-14031

Vulnerability Description

The vulnerability arises when the list of PMK IDs exceeds the buffer size, impacting multiple Snapdragon platforms.

Affected Systems and Versions

Affected platforms include Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, Wired Infrastructure, and Networking.
Vulnerable chips: APQ8009, APQ8017, APQ8053, and many more.

Exploitation Mechanism

The buffer overflow occurs during the parsing of RSN IE containing PMK IDs exceeding the buffer size.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm promptly.
Monitor Qualcomm's security bulletins for updates.

Long-Term Security Practices

Regularly update firmware and software on affected devices.
Implement network security measures to detect and prevent buffer overflow attacks.

Patching and Updates

Ensure all affected systems are updated with the latest patches from Qualcomm to mitigate the vulnerability.