CVE-2020-11277 : Vulnerability Insights and Analysis
Learn about CVE-2020-11277, a race condition vulnerability in Snapdragon Compute, Industrial IOT, and Mobile devices, potentially leading to a Use After Free issue in DSP Services. Find out about impacts, affected systems, and mitigation steps.
A possible race condition during async fastrpc session in Snapdragon Compute, Snapdragon Industrial IOT, and Snapdragon Mobile devices could lead to a Use After Free vulnerability in DSP Services.
Understanding CVE-2020-11277
This CVE involves a race condition issue that occurs during an async fastrpc session after sending an RPC message, potentially leading to a Use After Free vulnerability in DSP Services.
What is CVE-2020-11277?
This CVE describes a scenario where a race condition arises during an async fastrpc session in Qualcomm Snapdragon Compute, Industrial IOT, and Mobile devices, causing the fastrpc context to be freed during the async session.
The Impact of CVE-2020-11277
The vulnerability could be exploited to trigger a Use After Free condition in DSP Services, potentially leading to unauthorized access or system compromise.
Technical Details of CVE-2020-11277
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability stems from a race condition that occurs during an async fastrpc session after sending an RPC message, resulting in the fastrpc context being freed during the async session.
Affected Systems and Versions
- Affected Products: Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile
- Vendor: Qualcomm, Inc.
- Versions: PM3003A, PM4250, PM6125, and many more (refer to vendor's bulletin for full list)
Exploitation Mechanism
The vulnerability could be exploited by malicious actors to manipulate the async fastrpc session, leading to a Use After Free condition in DSP Services.
Mitigation and Prevention
To address CVE-2020-11277, follow these mitigation strategies:
Immediate Steps to Take
- Apply patches provided by Qualcomm, Inc.
- Monitor for any unusual activities on affected devices.
Long-Term Security Practices
- Regularly update firmware and software on the affected devices.
- Implement secure coding practices to prevent similar vulnerabilities.
Patching and Updates
- Ensure all affected devices are updated with the latest patches from Qualcomm, Inc.