CVE-2018-11902 : Vulnerability Insights and Analysis
Learn about CVE-2018-11902 affecting Android for MSM, Firefox OS for MSM, and QRD Android devices. Find out how lack of length validation check in firmware values can lead to out-of-bounds access in WLAN HOST.
Android for MSM, Firefox OS for MSM, and QRD Android devices are affected by a vulnerability that could lead to out-of-bounds access in WLAN HOST due to a lack of length validation check for firmware-derived values.
Understanding CVE-2018-11902
This CVE entry highlights a vulnerability in Android releases from CAF using the Linux kernel, potentially resulting in out-of-bounds access in WLAN HOST.
What is CVE-2018-11902?
The vulnerability stems from the absence of a length validation check for a value obtained from firmware in various Android releases, including Android for MSM, Firefox OS for MSM, and QRD Android, all derived from CAF using the Linux kernel. This oversight may lead to out-of-bounds access in WLAN HOST.
The Impact of CVE-2018-11902
The vulnerability could be exploited to gain unauthorized access to WLAN HOST, potentially compromising the security and integrity of the affected systems.
Technical Details of CVE-2018-11902
This section delves into the technical aspects of the CVE entry.
Vulnerability Description
The vulnerability involves improper validation of array index in WLAN, allowing for potential out-of-bounds access in WLAN HOST.
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 lack of a length validation check for firmware-derived values in the specified Android releases enables attackers to exploit the vulnerability and gain unauthorized access to WLAN HOST.
Mitigation and Prevention
Protecting systems from CVE-2018-11902 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Qualcomm or relevant vendors promptly.
- Monitor network traffic for any suspicious activities that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update firmware and software to mitigate known vulnerabilities.
- Implement network segmentation to limit the impact of potential security breaches.
Patching and Updates
- Stay informed about security bulletins and updates from Qualcomm and other relevant sources.
- Ensure timely deployment of patches to address the vulnerability and enhance system security.