CVE-2020-11195 : What You Need to Know

A vulnerability in Qualcomm's Snapdragon products could allow an attacker to perform out-of-bound write and read operations, potentially leading to unauthorized access and data manipulation.

Understanding CVE-2020-11195

This CVE identifies a security issue in various Qualcomm Snapdragon devices that could be exploited by malicious actors.

What is CVE-2020-11195?

The vulnerability involves improper length checks on command and response buffers in multiple Snapdragon product lines, including Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, and Voice & Music.

The Impact of CVE-2020-11195

The vulnerability could result in out-of-bound write and read operations in the Trusted Application (TA) while processing commands from the Non-Secure (NS) side. This could potentially lead to unauthorized access, data leakage, and manipulation.

Technical Details of CVE-2020-11195

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability stems from improper length checks on command and response buffers within the affected Snapdragon products, allowing attackers to perform out-of-bound read and write operations.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Affected Products and Versions: Various Snapdragon products including APQ8009, APQ8016, APQ8064AU, and many more.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted commands to the TA, bypassing the inadequate length checks and gaining unauthorized access to sensitive data.

Mitigation and Prevention

Protecting systems from CVE-2020-11195 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches and updates provided by Qualcomm to address the vulnerability promptly.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Implement proper input validation mechanisms in High-Level Operating Systems (HLOS) to prevent similar vulnerabilities in the future.
Conduct regular security audits and assessments to identify and mitigate potential security risks.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm to ensure timely application of patches.
Regularly check for firmware and software updates for the affected Snapdragon products to maintain a secure environment.