CVE-2018-5913 : Security Advisory and Response

A side channel vulnerability exists in multiple Qualcomm Snapdragon products, potentially leaking information through a non-time constant function.

Understanding CVE-2018-5913

This CVE involves cryptographic issues in TrustZone affecting various Qualcomm Snapdragon products.

What is CVE-2018-5913?

A side channel can be exploited in Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, and Wearables, potentially leaking information.

The Impact of CVE-2018-5913

The vulnerability could lead to unauthorized access to sensitive information stored on affected devices.

Technical Details of CVE-2018-5913

This section provides detailed technical information about the vulnerability.

Vulnerability Description

A side channel can be created in multiple Qualcomm Snapdragon products by using a non-time constant function called memcmp, potentially leaking information.

Affected Systems and Versions

Products: Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, Wearables
Versions: MDM9150, MDM9206, MDM9607, MDM9625, MDM9635M, MDM9640, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCS405, QCS605, Qualcomm 215, and more.

Exploitation Mechanism

The vulnerability is exploited by using a non-time constant function called memcmp to create a side channel that leaks information.

Mitigation and Prevention

Protect your systems from CVE-2018-5913 with these mitigation strategies.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor official sources for updates and advisories.
Implement access controls to limit exposure to the vulnerability.

Long-Term Security Practices

Regularly update firmware and software to the latest versions.
Conduct security assessments and audits to identify and address vulnerabilities.
Educate users on secure practices to prevent exploitation.

Patching and Updates

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