CVE-2019-14135 : What You Need to Know
Learn about CVE-2019-14135, a WLAN buffer overflow vulnerability affecting Qualcomm devices. Find out the impacted systems, exploitation risks, and mitigation steps.
A vulnerability in WLAN parsing nonstandard NAN IE messages could lead to an integer overflow and buffer overflow, impacting a wide range of Qualcomm devices.
Understanding CVE-2019-14135
What is CVE-2019-14135?
This CVE identifies a potential risk of integer overflow resulting in a buffer overflow in WLAN when processing nonstandard NAN IE messages. The vulnerability affects various Qualcomm devices running specific processors.
The Impact of CVE-2019-14135
The vulnerability poses a security risk to devices utilizing Qualcomm processors, potentially allowing attackers to exploit the WLAN parsing vulnerability.
Technical Details of CVE-2019-14135
Vulnerability Description
The issue involves a buffer copy without checking the input size in WLAN, leading to possible integer overflow and subsequent buffer overflow.
Affected Systems and Versions
- Vendor: Qualcomm, Inc.
- Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and more
- Versions: APQ8009, APQ8017, APQ8053, and a range of other processor versions
Exploitation Mechanism
The vulnerability can be exploited by sending nonstandard NAN IE messages to the WLAN, triggering the integer overflow and buffer overflow.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Qualcomm to address the vulnerability
- Monitor Qualcomm's security bulletins for updates and advisories
Long-Term Security Practices
- Regularly update firmware and software on affected devices
- Implement network segmentation and access controls to limit exposure
Patching and Updates
Qualcomm has released patches to mitigate the vulnerability. It is crucial to promptly apply these patches to secure the affected devices.