CVE-2018-11936 Explained : Impact and Mitigation
Learn about CVE-2018-11936, a critical vulnerability in Qualcomm Snapdragon platforms that can lead to memory access violations. Find out how to mitigate the risk and apply necessary patches.
A vulnerability affecting various Qualcomm Snapdragon platforms that can lead to memory access beyond its bounds.
Understanding CVE-2018-11936
What is CVE-2018-11936?
The issue arises from incorrect processing of array indices in a while loop, resulting in an invalid index and potential memory access violations.
The Impact of CVE-2018-11936
This vulnerability can be exploited to cause uncontrolled resource consumption in WLAN, potentially leading to denial of service or other security breaches.
Technical Details of CVE-2018-11936
Vulnerability Description
The flaw occurs in multiple Qualcomm Snapdragon platforms, including Snapdragon Auto, Snapdragon Connectivity, and others, affecting a wide range of versions.
Affected Systems and Versions
- Vendor: Qualcomm, Inc.
- Affected Versions: MDM9206, MDM9607, MDM9640, and more
Exploitation Mechanism
The vulnerability allows attackers to manipulate array indices, leading to memory corruption and potential system compromise.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Qualcomm promptly
- Monitor network traffic for any suspicious activities
Long-Term Security Practices
- Regularly update firmware and software to mitigate known vulnerabilities
- Implement network segmentation to limit the impact of potential breaches
Patching and Updates
Qualcomm has released patches to address this vulnerability. Ensure all affected systems are updated with the latest security fixes.