CVE-2020-11194 : Exploit Details and Defense Strategies
Learn about CVE-2020-11194, a vulnerability in Qualcomm Snapdragon products allowing unauthorized access due to improper length checking. Find mitigation steps and patching details here.
Possible out of bound access in TA while processing a command from NS side due to improper length check of response buffer in various Qualcomm Snapdragon products.
Understanding CVE-2020-11194
This CVE describes a vulnerability that could allow an attacker to gain unauthorized access due to improper length checking in response buffers.
What is CVE-2020-11194?
The vulnerability involves a possible out-of-bound access in the Trusted Application (TA) when processing a command from the Non-Secure (NS) side in multiple Qualcomm Snapdragon product lines.
The Impact of CVE-2020-11194
The vulnerability could be exploited by an attacker to gain unauthorized access to sensitive information or execute arbitrary code on affected devices, potentially leading to a compromise of the system.
Technical Details of CVE-2020-11194
Vulnerability Description
The issue arises from improper length checking of response buffers in various Qualcomm Snapdragon products, potentially leading to out-of-bound access.
Affected Systems and Versions
- Products: Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Wired Infrastructure, and Networking
- Versions: AQT1000, AR8035, PM3003A, PM4125, and many more (extensive list provided by Qualcomm)
Exploitation Mechanism
The vulnerability can be exploited by sending specially crafted commands from the NS side to the TA, taking advantage of the improper length check in the response buffer.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Qualcomm to address the vulnerability promptly.
- Monitor Qualcomm's security bulletins for updates and advisories.
Long-Term Security Practices
- Regularly update firmware and software on affected devices.
- Implement network segmentation and access controls to limit exposure to potential attacks.
Patching and Updates
- Qualcomm has released patches addressing the vulnerability; ensure timely installation of these updates to mitigate the risk of exploitation.