CVE-2018-11863 : Security Advisory and Response

Android releases from CAF using the Linux kernel are vulnerable to a buffer overwrite issue due to the absence of input validation. This can occur during the memcpy process when calculating the length of the WMA roam synch buffer.

Understanding CVE-2018-11863

This CVE identifies a vulnerability in Android for MSM, Firefox OS for MSM, and QRD Android from Qualcomm, Inc., affecting all Android releases from CAF that utilize the Linux kernel.

What is CVE-2018-11863?

The vulnerability stems from a lack of input validation in the mentioned Android releases, leading to a buffer overwrite issue during the memcpy process.

The Impact of CVE-2018-11863

The buffer overwrite issue can be exploited to potentially execute arbitrary code or cause a denial of service on affected systems.

Technical Details of CVE-2018-11863

Android releases from CAF using the Linux kernel are susceptible to this vulnerability.

Vulnerability Description

The vulnerability arises from the absence of input validation, allowing a buffer overwrite during the memcpy process when determining the length of the WMA roam synch buffer.

Affected Systems and Versions

Product: Android for MSM, Firefox OS for MSM, QRD Android
Vendor: Qualcomm, Inc.
Versions: All Android releases from CAF using the Linux kernel

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to trigger a buffer overwrite, potentially leading to arbitrary code execution or denial of service.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-11863.

Immediate Steps to Take

Apply patches provided by Qualcomm, Inc. to address the vulnerability.
Monitor vendor security bulletins for updates and follow recommended security practices.

Long-Term Security Practices

Regularly update and patch all software components to prevent vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.
Conduct regular security assessments and audits to identify and address security gaps.

Patching and Updates

Stay informed about security updates and patches released by Qualcomm, Inc.
Apply patches promptly to ensure the security of the affected systems.