CVE-2018-5855 : What You Need to Know
Learn about CVE-2018-5855, a buffer over-read vulnerability in Android for MSM, Firefox OS for MSM, and QRD Android, potentially allowing unauthorized access. Find mitigation steps and prevention measures here.
A buffer over-read vulnerability was identified in various Android releases from CAF utilizing the Linux kernel, potentially leading to security issues.
Understanding CVE-2018-5855
This CVE pertains to a buffer over-read vulnerability in Android for MSM, Firefox OS for MSM, and QRD Android prior to the security patch level of 2018-07-05.
What is CVE-2018-5855?
A buffer over-read may occur when padding or reducing the size of a nested wmi packet in various Android releases from CAF that utilize the Linux kernel.
The Impact of CVE-2018-5855
The vulnerability could allow attackers to exploit the buffer over-read issue, potentially leading to security breaches and unauthorized access to sensitive information.
Technical Details of CVE-2018-5855
This section provides detailed technical information about the CVE-2018-5855 vulnerability.
Vulnerability Description
A buffer over-read can occur when padding or reducing the size of a nested wmi packet in Android for MSM, Firefox OS for MSM, and QRD Android before the security patch level of 2018-07-05.
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 manipulating the size of a nested wmi packet, potentially leading to a buffer over-read.
Mitigation and Prevention
Protecting systems from CVE-2018-5855 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply the latest security patch level of 2018-07-05 or later to mitigate the vulnerability.
- Monitor for any unusual network activity that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly update and patch systems to ensure they are protected against known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential security breaches.
Patching and Updates
- Stay informed about security bulletins and updates from Qualcomm and Android to address vulnerabilities promptly.