CVE-2020-11282 : Vulnerability Insights and Analysis
Learn about CVE-2020-11282, a vulnerability in Qualcomm Snapdragon processors allowing improper access control, potentially leading to unauthorized access to GPU memory. Find out the impacted systems, versions, and mitigation steps.
A vulnerability in Qualcomm Snapdragon processors could allow improper access control, potentially leading to unauthorized access to GPU memory.
Understanding CVE-2020-11282
This CVE identifies a security issue in Qualcomm Snapdragon processors that could be exploited to gain unauthorized access to GPU memory.
What is CVE-2020-11282?
The vulnerability involves improper access control when using mmap with the kgsl driver, allowing a special offset value to map GPU memstore to user space in various Qualcomm Snapdragon products.
The Impact of CVE-2020-11282
The vulnerability could be exploited by attackers to gain unauthorized access to GPU memory, potentially leading to sensitive data exposure or system compromise.
Technical Details of CVE-2020-11282
Qualcomm Snapdragon processors are affected by this vulnerability, impacting a wide range of products and versions.
Vulnerability Description
The vulnerability arises from improper access control in the Graphics KGSL driver, enabling unauthorized mapping of GPU memstore to user space.
Affected Systems and Versions
- Vendor: Qualcomm, Inc.
- Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Versions: APQ8009, APQ8009W, APQ8017, and many more
Exploitation Mechanism
Attackers can exploit this vulnerability by utilizing mmap with the kgsl driver and providing a specific offset value to map GPU memstore to user space.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-11282.
Immediate Steps to Take
- Apply security patches provided by Qualcomm promptly.
- Monitor for any unauthorized access or unusual GPU activity.
- Implement strict access controls and permissions for GPU memory.
Long-Term Security Practices
- Regularly update and patch Qualcomm Snapdragon products to mitigate known vulnerabilities.
- Conduct security assessments and audits to identify and address potential access control issues.
Patching and Updates
- Stay informed about security bulletins and updates from Qualcomm.
- Ensure all affected systems and devices are updated with the latest patches to prevent exploitation of this vulnerability.