CVE-2020-11126 Explained : Impact and Mitigation

Possible out of bound read while WLAN frame parsing due to lack of check for body and header length in various Qualcomm Snapdragon products.

Understanding CVE-2020-11126

What is CVE-2020-11126?

CVE-2020-11126 is a vulnerability that could lead to a possible out-of-bound read during WLAN frame parsing due to insufficient checks for body and header length in multiple Qualcomm Snapdragon products.

The Impact of CVE-2020-11126

This vulnerability could be exploited by attackers to read sensitive information from memory, potentially leading to further security breaches and unauthorized access to devices.

Technical Details of CVE-2020-11126

Vulnerability Description

The vulnerability involves a buffer over-read issue in WLAN frame parsing, allowing attackers to potentially access sensitive data.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
Versions: APQ8096AU, AQT1000, AR8031, AR8035, and many more

Exploitation Mechanism

The vulnerability arises due to a lack of proper validation for body and header length during WLAN frame parsing, enabling attackers to exploit this flaw.

Mitigation and Prevention

Immediate Steps to Take

Apply patches and updates provided by Qualcomm to address the vulnerability.
Monitor official sources for security advisories and follow best practices for network security.

Long-Term Security Practices

Regularly update firmware and software to ensure the latest security fixes are in place.
Implement network segmentation and access controls to limit the impact of potential security breaches.

Patching and Updates

Qualcomm has released patches to mitigate the vulnerability; ensure all affected systems are updated with the latest security fixes.