CVE-2021-30304 : Exploit Details and Defense Strategies
Learn about CVE-2021-30304, a high severity buffer out-of-bound read vulnerability in Qualcomm Snapdragon Compute, Connectivity, and Consumer Electronics Connectivity products. Mitigation steps included.
This CVE pertains to a possible buffer out-of-bound read vulnerability in Snapdragon Compute, Connectivity, and Consumer Electronics Connectivity by Qualcomm. The vulnerability arises due to improper validation of TBTT count and length while parsing the beacon response.
Understanding CVE-2021-30304
In this section, we will delve into the details of CVE-2021-30304.
What is CVE-2021-30304?
The CVE-2021-30304 involves a potential buffer out-of-bound read issue due to inadequate validation processes in Qualcomm's Snapdragon Compute, Connectivity, and Consumer Electronics Connectivity products.
The Impact of CVE-2021-30304
The impact of this vulnerability is rated as high, with a CVSS base score of 7.5. Although the confidentiality and integrity are not impacted, the availability can be significantly affected.
Technical Details of CVE-2021-30304
Let's explore the technical aspects of CVE-2021-30304 in detail.
Vulnerability Description
The vulnerability results from improper validation of TBTT count and length during the parsing of beacon response, leading to a potential buffer out-of-bound read scenario.
Affected Systems and Versions
The products affected include Snapdragon Compute, Connectivity, and Consumer Electronics Connectivity by Qualcomm. Specific versions impacted are QCA2062, QCA2064, QCA2065, QCA2066, SC8280XP, WCD9380, WCD9385, WCN6850, WCN6851, WCN6855, WCN6856, WSA8830, and WSA8835.
Exploitation Mechanism
The vulnerability can be exploited remotely, emphasizing the need for immediate mitigation.
Mitigation and Prevention
Here we discuss the steps to mitigate and prevent potential exploits of CVE-2021-30304.
Immediate Steps to Take
It is crucial to apply security patches and updates provided by Qualcomm to address this vulnerability immediately.
Long-Term Security Practices
Implementing robust network security measures and regularly updating firmware can help bolster overall system security.
Patching and Updates
Regularly check for security advisories from Qualcomm and promptly apply any relevant security patches to safeguard against potential exploits.