CVE-2021-35082 : Vulnerability Insights and Analysis
Understand the critical impact of CVE-2021-35082, an improper integrity check leading to a race condition in Snapdragon Industrial IOT. Learn about affected versions and mitigation steps.
A detailed overview of CVE-2021-35082 focusing on the improper integrity check leading to a race condition in Snapdragon Industrial IOT.
Understanding CVE-2021-35082
This section will cover what CVE-2021-35082 is and the impact it has.
What is CVE-2021-35082?
The CVE-2021-35082 vulnerability in Snapdragon Industrial IOT results from an improper integrity check that can trigger a race condition between tasks PDCP and RRC following the reception of a valid RRC security mode command packet.
The Impact of CVE-2021-35082
With a CVSS base score of 9.1, this critical vulnerability poses a high risk to confidentiality and integrity without requiring any special privileges.
Technical Details of CVE-2021-35082
In this section, we will delve into the technical aspects of the vulnerability affecting Qualcomm's Snapdragon Industrial IOT.
Vulnerability Description
The presence of a time-of-check time-of-use race condition in the modem of Snapdragon Industrial IOT leads to the exploitation potential of this vulnerability.
Affected Systems and Versions
The affected products include Snapdragon Industrial IOT with versions MDM9206, QCA9367, and QCA9377 by Qualcomm, Inc.
Exploitation Mechanism
CVE-2021-35082 can be exploited through a network-based attack vector with low attack complexity, impacting confidentiality and integrity while requiring no user interaction.
Mitigation and Prevention
This section focuses on the steps to mitigate and prevent the exploitation of CVE-2021-35082 in Snapdragon Industrial IOT.
Immediate Steps to Take
To address this vulnerability, users are advised to apply the necessary patches and security updates provided by Qualcomm.
Long-Term Security Practices
Implementing secure coding practices, regular security assessments, and monitoring system communications can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly updating devices with the latest security patches and monitoring vendor communications for security advisories is vital to protect against CVE-2021-35082.