CVE-2018-11883 : Security Advisory and Response

Android releases from CAF using the Linux kernel are vulnerable to an out-of-bound access issue in the policy manager unit test.

Understanding CVE-2018-11883

All versions of Android from CAF that utilize the Linux kernel are susceptible to an out-of-bound access issue in the policy manager unit test.

What is CVE-2018-11883?

This vulnerability occurs when an invalid value is assigned to the mode parameter in the WLAN function, leading to an out-of-bound access while accessing the PCL table.

The Impact of CVE-2018-11883

Attackers can exploit this vulnerability to gain unauthorized access to sensitive information.
It may lead to a denial of service (DoS) condition on affected systems.

Technical Details of CVE-2018-11883

Android releases from CAF using the Linux kernel are affected by this vulnerability.

Vulnerability Description

The issue arises due to improper input validation in the WLAN function, allowing for out-of-bound access in the policy manager unit test.

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

By assigning an invalid value to the mode parameter in the WLAN function, attackers can trigger out-of-bound access to the PCL table.

Mitigation and Prevention

Immediate action is crucial to mitigate the risks associated with CVE-2018-11883.

Immediate Steps to Take

Apply security patches provided by Qualcomm or the relevant vendor.
Monitor official sources for updates and advisories regarding this vulnerability.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.
Conduct regular security assessments and penetration testing to identify and address security weaknesses.

Patching and Updates

Ensure that all affected systems are updated with the latest patches and security fixes to address CVE-2018-11883.