CVE-2019-14117 : Vulnerability Insights and Analysis
Learn about CVE-2019-14117 affecting Qualcomm Snapdragon products. Discover the impact, affected systems, exploitation details, and mitigation steps.
Snapdragon Auto, Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables by Qualcomm, Inc. are affected by a use after free issue in WLAN.
Understanding CVE-2019-14117
This CVE involves a vulnerability in multiple Qualcomm products that can lead to a use after free scenario.
What is CVE-2019-14117?
The issue arises when a privileged user fails to properly update the page list, causing elements to be freed but not deleted, resulting in a use after free scenario and an unhandled page fault exception in the rmnet driver.
The Impact of CVE-2019-14117
The vulnerability can be exploited to execute arbitrary code or cause a denial of service, potentially compromising the affected devices' security and stability.
Technical Details of CVE-2019-14117
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability allows for a use after free scenario due to improper handling of page list updates by privileged users.
Affected Systems and Versions
- Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Versions: Bitra, MDM9607, QCS405, Saipan, SC8180X, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130
Exploitation Mechanism
The issue occurs when a privileged user fails to update the page list correctly, leading to a use after free scenario and an unhandled page fault exception in the rmnet driver.
Mitigation and Prevention
Protecting systems from CVE-2019-14117 is crucial to maintaining security.
Immediate Steps to Take
- Apply patches provided by Qualcomm promptly.
- Monitor vendor communications for updates and advisories.
- Implement network controls to limit exposure to potential attacks.
Long-Term Security Practices
- Regularly update software and firmware to mitigate known vulnerabilities.
- Conduct security assessments and audits to identify and address weaknesses.
Patching and Updates
- Stay informed about security bulletins and patches released by Qualcomm.
- Ensure timely application of patches to address the vulnerability effectively.