Discover the impact of CVE-2021-35097, a high severity vulnerability in Qualcomm Snapdragon devices allowing possible authentication bypass. Learn about affected systems, exploitation details, and mitigation steps.
A possible authentication bypass vulnerability was discovered in multiple Qualcomm Snapdragon products, leading to improper order of signature verification and hashing in the call. This could impact various IoT, mobile, and wearable devices powered by Qualcomm processors.
Understanding CVE-2021-35097
This section will provide insights into the nature and impact of the vulnerability.
What is CVE-2021-35097?
The CVE-2021-35097 vulnerability is a cryptographic issue in content protection in Qualcomm Snapdragon products. It arises from an authentication bypass due to improper signature verification and hashing order.
The Impact of CVE-2021-35097
The vulnerability poses a high severity threat with a CVSS base score of 7.3, affecting confidentiality and integrity by allowing unauthorized access to the devices.
Technical Details of CVE-2021-35097
Let's delve into the technical aspects of the CVE-2021-35097 vulnerability.
Vulnerability Description
The vulnerability allows attackers to bypass authentication mechanisms, potentially leading to unauthorized access to sensitive information.
Affected Systems and Versions
Products such as Snapdragon Auto, Compute, Connectivity, Consumer IOT, and mobile devices like Snapdragon Mobile and Wearables are affected. A wide range of versions including SD 675, SD 855, and SDX55 are vulnerable.
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the signature verification process to gain unauthorized access to the affected devices.
Mitigation and Prevention
Here we discuss the steps to mitigate the risks associated with CVE-2021-35097.
Immediate Steps to Take
Users are advised to apply security patches provided by Qualcomm to address the vulnerability promptly.
Long-Term Security Practices
Implementing strong access control measures and regular security updates can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly updating the software and firmware of the affected devices is crucial to ensure protection against potential security threats.