CVE-2018-11819 : Exploit Details and Defense Strategies

Snapdragon chips by Qualcomm are affected by a WLAN function issue that causes delays when receiving multiple ACS scan requests simultaneously.

Understanding CVE-2018-11819

This CVE involves a Use After Free vulnerability in WLAN function of various Snapdragon chips.

What is CVE-2018-11819?

The WLAN function in Snapdragon chips experiences delays after receiving multiple ACS scan requests simultaneously.

The Impact of CVE-2018-11819

Attackers could potentially exploit this vulnerability to cause denial of service or execute arbitrary code.

Technical Details of CVE-2018-11819

This section provides more technical insights into the vulnerability.

Vulnerability Description

Use After Free vulnerability in WLAN function

Affected Systems and Versions

Products: Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
Versions: MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCS605, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 675, SD 730, SD 820A, SD 835, SD 855, SDA660, SDX20, SDX24

Exploitation Mechanism

Delays occur in the WLAN function after receiving multiple ACS scan requests simultaneously.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-11819 vulnerability.

Immediate Steps to Take

Apply patches provided by Qualcomm to address the WLAN function issue.
Monitor network traffic for any suspicious activities.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update firmware and software to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm to apply patches promptly.