CVE-2020-11178 : Security Advisory and Response

Trusted APPS to overwrite the CPZ memory of another use-case as TZ only checks the physical address not overlapping with its memory and its RoT memory in various Qualcomm Snapdragon products.

Understanding CVE-2020-11178

This CVE involves improper address validation in the core of Qualcomm Snapdragon products, potentially allowing Trusted APPS to overwrite CPZ memory.

What is CVE-2020-11178?

This vulnerability allows Trusted APPS to overwrite CPZ memory in certain Qualcomm Snapdragon products due to inadequate address validation.

The Impact of CVE-2020-11178

The vulnerability could be exploited by malicious actors to manipulate memory and potentially compromise the security of affected devices.

Technical Details of CVE-2020-11178

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from improper address validation in the core of Qualcomm Snapdragon products.

Affected Systems and Versions

Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
Versions: AQT1000, AR8031, AR8035, and many more (extensive list provided)

Exploitation Mechanism

Trusted APPS can exploit the vulnerability to overwrite CPZ memory by bypassing the inadequate address validation.

Mitigation and Prevention

To address CVE-2020-11178, follow these mitigation strategies:

Immediate Steps to Take

Apply patches and updates provided by Qualcomm promptly.
Monitor for any unusual activity on the affected devices.
Implement strict access controls to limit exposure to potential exploits.

Long-Term Security Practices

Regularly update firmware and software to ensure the latest security measures are in place.
Conduct security audits and assessments to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm.
Apply patches and firmware updates as soon as they are released to mitigate the risk of exploitation.