CVE-2019-2235 : What You Need to Know
Learn about CVE-2019-2235, a buffer overflow vulnerability impacting Qualcomm Snapdragon platforms and chipsets. Find out affected systems, exploitation risks, and mitigation steps.
Buffer overflow vulnerability affecting various Qualcomm Snapdragon platforms and chipsets.
Understanding CVE-2019-2235
What is CVE-2019-2235?
Buffer overflow results from using emulated RPMB in devices with sector size assumptions in TA rollback protection logic. It impacts multiple Snapdragon platforms and chipsets.
The Impact of CVE-2019-2235
The vulnerability affects the security and integrity of devices utilizing the affected Qualcomm Snapdragon platforms and chipsets.
Technical Details of CVE-2019-2235
Vulnerability Description
The buffer overflow occurs due to sector size assumptions in TA rollback protection logic when emulated RPMB is used in various Qualcomm Snapdragon platforms and chipsets.
Affected Systems and Versions
- Affected Platforms: Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wired Infrastructure, and Networking
- Affected Chipsets: MDM9206, MDM9607, MDM9650, MDM9655, MSM8996AU, QCS404, QCS605, Qualcomm 215, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130
Exploitation Mechanism
The vulnerability is exploited through buffer overflow, potentially leading to unauthorized access and system compromise.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm to address the vulnerability.
- Implement security best practices to mitigate the risk of exploitation.
Long-Term Security Practices
- Regularly update firmware and software to ensure the latest security measures are in place.
- Conduct security assessments and audits to identify and remediate vulnerabilities proactively.
Patching and Updates
- Stay informed about security bulletins and advisories from Qualcomm.
- Promptly apply recommended patches and updates to safeguard devices against potential exploits.