CVE-2018-11929 : Exploit Details and Defense Strategies
Learn about CVE-2018-11929, a critical heap overflow vulnerability in Qualcomm Snapdragon chipsets due to input validation issues in the WLAN feature. Find out the impacted systems, exploitation risks, and mitigation steps.
Qualcomm Snapdragon chipsets are affected by a heap overflow vulnerability due to input validation absence in the WLAN feature.
Understanding CVE-2018-11929
This CVE identifies a critical vulnerability in various Qualcomm Snapdragon chipsets that could lead to a heap overflow.
What is CVE-2018-11929?
The absence of input validation in the WLAN feature can potentially result in a heap overflow in various Qualcomm Snapdragon chipsets such as Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music.
The Impact of CVE-2018-11929
This vulnerability could allow attackers to execute arbitrary code, leading to potential system crashes, data breaches, or complete device compromise.
Technical Details of CVE-2018-11929
Qualcomm chipsets are affected by a critical heap overflow vulnerability due to input validation issues in the WLAN feature.
Vulnerability Description
The lack of input validation in the WLAN function can lead to a potential heap overflow in multiple Qualcomm Snapdragon chipsets.
Affected Systems and Versions
- Affected chipsets include MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCS405, QCS605, and more.
Exploitation Mechanism
- Attackers can exploit this vulnerability by sending specially crafted input to trigger a heap overflow, potentially leading to arbitrary code execution.
Mitigation and Prevention
Steps to address and prevent the CVE-2018-11929 vulnerability.
Immediate Steps to Take
- Apply patches provided by Qualcomm to fix the input validation issue.
- Monitor security bulletins and updates from Qualcomm for any further vulnerabilities.
Long-Term Security Practices
- Regularly update firmware and software to ensure the latest security patches are in place.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Install the latest firmware updates and security patches released by Qualcomm to mitigate the vulnerability.