CVE-2019-2276 Explained : Impact and Mitigation
Learn about CVE-2019-2276 affecting Qualcomm Snapdragon products. Discover the impact, affected systems, exploitation details, and mitigation steps to secure your devices.
Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Voice & Music by Qualcomm, Inc. are affected by a vulnerability that can lead to an out-of-bound read during beaconing request processing.
Understanding CVE-2019-2276
This CVE involves a buffer over-read in WLAN.
What is CVE-2019-2276?
The vulnerability in various Qualcomm products allows an out-of-bound read due to the lack of a check on action frames received from user-controlled space.
The Impact of CVE-2019-2276
The vulnerability can be exploited to trigger an out-of-bound read, potentially leading to unauthorized access or information disclosure.
Technical Details of CVE-2019-2276
Qualcomm products are affected by this vulnerability.
Vulnerability Description
The lack of validation on action frames from user-controlled space can result in an out-of-bound read during beaconing request processing.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Voice & Music
- Versions: MDM9607, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, QCS405, QCS605, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820A, SD 845 / SD 850, SD 855, SDM630, SDM660, SDX24
Exploitation Mechanism
The vulnerability is exploited by sending malicious action frames from user-controlled space, triggering an out-of-bound read.
Mitigation and Prevention
Immediate action is necessary to address this vulnerability.
Immediate Steps to Take
- Apply patches provided by Qualcomm to fix the vulnerability.
- Monitor for any unusual network activity that could indicate exploitation.
Long-Term Security Practices
- Regularly update firmware and software to prevent vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security bulletins and updates from Qualcomm.
- Ensure timely application of patches to secure the affected systems.