CVE-2020-3690 : What You Need to Know
Learn about CVE-2020-3690, a Qualcomm Snapdragon vulnerability due to an incorrect SMMU configuration, potentially compromising the hypervisor. Find out affected systems, versions, and mitigation steps.
This CVE involves an incorrect SMMU configuration in Qualcomm Snapdragon products, potentially leading to a compromise of the hypervisor.
Understanding CVE-2020-3690
This vulnerability affects various Qualcomm Snapdragon products and versions due to a misconfiguration in the modem crypto engine.
What is CVE-2020-3690?
The vulnerability arises from an incorrect SMMU configuration, allowing the modem crypto engine to potentially compromise the hypervisor in multiple Qualcomm Snapdragon products.
The Impact of CVE-2020-3690
The vulnerability could be exploited to compromise the hypervisor, posing a significant security risk to the affected systems.
Technical Details of CVE-2020-3690
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability stems from an incorrect SMMU configuration, enabling the modem crypto engine to compromise the hypervisor.
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: Agatti, Bitra, Kamorta, Nicobar, QCA6390, QCS404, QCS605, QCS610, Rennell, SA415M, SA515M, SA6155P, SA8155P, Saipan, SC7180, SC8180X, SDA845, SDM670, SDM710, SDM845, SDM850, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130
Exploitation Mechanism
The vulnerability can be exploited by leveraging the misconfiguration in the SMMU to compromise the hypervisor.
Mitigation and Prevention
Protect your systems from CVE-2020-3690 with the following measures.
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm.
- Monitor Qualcomm's security bulletins for relevant information.
- Implement proper access controls and security configurations.
Long-Term Security Practices
- Regularly update firmware and software to address security vulnerabilities.
- Conduct security assessments and audits to identify and mitigate risks.
Patching and Updates
- Keep all Qualcomm Snapdragon products up to date with the latest security patches.