CVE-2021-1970 : What You Need to Know
Learn about CVE-2021-1970 impacting Qualcomm Snapdragon products. Find out the risks posed by this out-of-bound read vulnerability and the necessary steps to mitigate it.
Snapdragon by Qualcomm is impacted by a vulnerability that may lead to a possible out-of-bound read. The lack of length check on FT sub-elements in various Snapdragon versions makes devices susceptible to exploitation.
Understanding CVE-2021-1970
This section delves into the details of CVE-2021-1970, shedding light on its implications and risks.
What is CVE-2021-1970?
CVE-2021-1970 affects multiple Snapdragon products due to improper input validation in WLAN. The vulnerability could allow threat actors to perform unauthorized activities on affected systems.
The Impact of CVE-2021-1970
With a CVSS base score of 7.5 (High Severity), the vulnerability poses a significant risk to confidentiality, potentially leading to data breaches and unauthorized access. The attack complexity is low, making it easier for malicious actors to exploit the flaw.
Technical Details of CVE-2021-1970
In this section, we explore the technical aspects of CVE-2021-1970 to better understand the vulnerability's nature.
Vulnerability Description
The vulnerability arises from a lack of proper length checking of FT sub-elements, creating an avenue for potential out-of-bound read scenarios.
Affected Systems and Versions
Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, and Voice & Music products are impacted. A wide range of Snapdragon versions are vulnerable to exploitation due to this oversight.
Exploitation Mechanism
Exploiting this vulnerability requires no special privileges, as it can be triggered remotely over a network, making it a critical concern for device security.
Mitigation and Prevention
To safeguard systems against CVE-2021-1970, immediate actions need to be taken, coupled with long-term security measures and prompt patching.
Immediate Steps to Take
Organizations and users must apply security patches and updates provided by Qualcomm to mitigate the risk posed by this vulnerability.
Long-Term Security Practices
Implementing robust input validation mechanisms and monitoring for unauthorized access attempts can enhance the overall security posture of systems.
Patching and Updates
Regularly updating devices with the latest firmware and security patches is essential to address known vulnerabilities and enhance device security.