Learn about CVE-2018-11894, a critical buffer overflow vulnerability in Qualcomm-developed Android releases. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
Android for MSM, Firefox OS for MSM, and QRD Android developed by Qualcomm, Inc. are affected by a buffer overflow vulnerability. The issue arises during the processing of preferred network offload scan results, potentially leading to a buffer overflow due to an integer overflow when receiving a large frame length from the FW.
Understanding CVE-2018-11894
This CVE entry describes a critical vulnerability in Qualcomm-developed Android releases that could be exploited through a buffer overflow attack.
What is CVE-2018-11894?
CVE-2018-11894 is a buffer overflow vulnerability affecting Android for MSM, Firefox OS for MSM, and QRD Android developed by Qualcomm, Inc. The flaw occurs during the handling of preferred network offload scan results, where an integer overflow may trigger a buffer overflow, especially when processing large frame lengths from the FW.
The Impact of CVE-2018-11894
The vulnerability could allow an attacker to execute arbitrary code, compromise the affected system, or cause a denial of service (DoS) condition.
Technical Details of CVE-2018-11894
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability is due to an integer overflow that can lead to a buffer overflow when processing preferred network offload scan results in Qualcomm-developed Android releases.
Affected Systems and Versions
Exploitation Mechanism
The buffer overflow occurs during the processing of preferred network offload scan results, specifically when a large frame length is received from the FW, triggering an integer overflow.
Mitigation and Prevention
To address CVE-2018-11894 and enhance system security, follow these mitigation strategies:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates