CVE-2018-11873 : Security Advisory and Response
Learn about CVE-2018-11873 affecting Qualcomm Snapdragon Mobile SD 845 due to WLAN buffer overwrites. Find mitigation steps and prevention measures here.
CVE-2018-11873 was published on October 29, 2018, by Qualcomm, Inc. The vulnerability affects Snapdragon Mobile devices, specifically version SD 845, due to insufficient input validation leading to buffer overwrites in the WLAN function responsible for managing the WLAN roam buffer.
Understanding CVE-2018-11873
This CVE entry highlights a critical security issue in Qualcomm's Snapdragon Mobile platform.
What is CVE-2018-11873?
The vulnerability stems from inadequate validation of input, resulting in buffer overwrites within the WLAN function that handles the WLAN roam buffer on Snapdragon Mobile devices, particularly in version SD 845.
The Impact of CVE-2018-11873
The vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service on affected devices, potentially compromising user data and device functionality.
Technical Details of CVE-2018-11873
Qualcomm's CVE-2018-11873 requires a closer look at its technical aspects.
Vulnerability Description
The issue involves a buffer overwrite in the WLAN function of Snapdragon Mobile devices, specifically in version SD 845, due to insufficient input validation.
Affected Systems and Versions
- Product: Snapdragon Mobile
- Vendor: Qualcomm, Inc.
- Affected Version: SD 845
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious input to trigger buffer overwrites, potentially leading to unauthorized code execution or service disruption.
Mitigation and Prevention
Addressing CVE-2018-11873 requires immediate action and long-term security measures.
Immediate Steps to Take
- Apply security patches provided by Qualcomm promptly.
- Monitor official sources for updates and advisories regarding this vulnerability.
Long-Term Security Practices
- Implement network segmentation to contain potential attacks.
- Regularly update and patch all software and firmware on Snapdragon Mobile devices.
Patching and Updates
Regularly check for security bulletins and updates from Qualcomm to ensure the latest patches are applied to mitigate the vulnerability.