CVE-2021-1952 : Vulnerability Insights and Analysis
Learn about CVE-2021-1952 affecting Qualcomm Snapdragon devices, leading to a buffer over-read due to missing length check of request buffers. Check the impact, affected systems, and mitigation steps.
Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, and Snapdragon Voice & Music devices by Qualcomm are affected by a vulnerability that could lead to a buffer over-read due to the lack of length check of request buffers.
Understanding CVE-2021-1952
This section will cover the details of the CVE-2021-1952 vulnerability.
What is CVE-2021-1952?
The CVE-2021-1952 vulnerability affects various Qualcomm products mentioned earlier, allowing a possible buffer over-read due to the absence of length check of request buffers.
The Impact of CVE-2021-1952
The impact of this vulnerability is rated as high, with a CVSS base score of 7.8. It can result in high impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2021-1952
This section will delve into the technical aspects of the CVE-2021-1952 vulnerability.
Vulnerability Description
The vulnerability arises from the improper restriction of operations within the bounds of a memory buffer in the boot process of the aforementioned Qualcomm products.
Affected Systems and Versions
The vulnerability affects a wide range of versions across Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, and Snapdragon Voice & Music products.
Exploitation Mechanism
The exploitation involves the lack of proper length check of request buffers in the identified Qualcomm products, leading to a buffer over-read scenario.
Mitigation and Prevention
In this section, we will discuss the mitigation strategies and preventive measures for CVE-2021-1952.
Immediate Steps to Take
To mitigate the risk posed by this vulnerability, users are advised to apply patches provided by Qualcomm promptly. Additionally, users should follow best security practices to reduce the likelihood of exploitation.
Long-Term Security Practices
It is essential to regularly update the firmware and software of the affected devices to safeguard against potential security threats. Implementing robust security protocols and solutions can also enhance the overall security posture.
Patching and Updates
Qualcomm has released security bulletins, including patches and updates, to address the CVE-2021-1952 vulnerability. Users are strongly recommended to apply these patches to secure their devices against potential cyber threats.