Understand CVE-2021-30310, a high-severity buffer overflow vulnerability in Qualcomm products like Snapdragon Auto, affecting various versions. Learn about the impact, affected systems, and mitigation steps.
This article provides details about CVE-2021-30310, a vulnerability in Qualcomm products that could lead to a possible buffer overflow due to improper validation of specific data frames.
Understanding CVE-2021-30310
CVE-2021-30310 is a vulnerability affecting various Qualcomm products, potentially resulting in a buffer overflow due to the improper validation of specific data frames.
What is CVE-2021-30310?
The vulnerability stems from inadequate validation of received CF-ACK and CF-Poll data frames in a range of Qualcomm products, including Snapdragon Auto, Snapdragon Connectivity, and Snapdragon Mobile.
The Impact of CVE-2021-30310
With a CVSS base score of 7.5, this high-severity vulnerability could allow an attacker to trigger a buffer overflow, leading to potential denial of service or other malicious activities. The vulnerability does not require any special privileges or user interaction.
Technical Details of CVE-2021-30310
The vulnerability arises from improper input validation in WLAN functionality within the affected Qualcomm products.
Vulnerability Description
Improper validation of received CF-ACK and CF-Poll data frames in multiple Qualcomm products, which could result in a buffer overflow.
Affected Systems and Versions
Qualcomm products impacted include Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, and more, across a wide range of versions.
Exploitation Mechanism
The vulnerability can be exploited through network access, without the need for user interaction or additional privileges.
Mitigation and Prevention
To address CVE-2021-30310, immediate steps should be taken along with long-term security measures and timely application of patches and updates.
Immediate Steps to Take
Organizations and users should apply relevant security patches provided by Qualcomm and monitor for any unusual network activity.
Long-Term Security Practices
Enforce strict input validation procedures, maintain network segmentation, and conduct regular security audits to prevent similar vulnerabilities.
Patching and Updates
Regularly check for security bulletins from Qualcomm and apply recommended patches promptly to mitigate the risk associated with CVE-2021-30310.