CVE-2021-1965 : What You Need to Know
Discover the impact of CVE-2021-1965, a critical buffer overflow vulnerability in Qualcomm Snapdragon products, potentially allowing attackers to execute arbitrary code.
A possible buffer overflow vulnerability exists in multiple Qualcomm products, including Snapdragon Auto, Compute, Connectivity, Mobile, and Wired Infrastructure. The issue arises due to a lack of parameter length check during MBSSID scan IE parse.
Understanding CVE-2021-1965
This section provides insights into the nature of the CVE-2021-1965 vulnerability.
What is CVE-2021-1965?
The vulnerability involves a potential buffer overflow caused by the absence of parameter length verification during MBSSID scan IE parse within Qualcomm products.
The Impact of CVE-2021-1965
With a CVSS base score of 9.8 (Critical), the vulnerability can have a significant impact on confidentiality, integrity, and availability, potentially allowing remote attackers to execute malicious code.
Technical Details of CVE-2021-1965
This section delves into the technical aspects of CVE-2021-1965.
Vulnerability Description
The vulnerability results from inadequate input parameter validation during MBSSID scan IE parse, leaving affected Qualcomm products susceptible to buffer overflow attacks.
Affected Systems and Versions
Qualcomm products including Snapdragon Auto, Compute, Connectivity, Mobile, and Wired Infrastructure are impacted. Notable affected versions include AR9380, IPQ6018, SDX55, and more.
Exploitation Mechanism
Exploiting this vulnerability requires minimal attack complexity but can lead to high impacts on confidentiality, integrity, and availability.
Mitigation and Prevention
Explore the necessary steps to mitigate and prevent the CVE-2021-1965 vulnerability.
Immediate Steps to Take
Security patches and updates should be applied promptly to address the vulnerability and enhance system security.
Long-Term Security Practices
Implement robust input validation mechanisms and regularly update software to prevent buffer overflow vulnerabilities in the future.
Patching and Updates
Stay informed about security bulletins and advisories from Qualcomm to ensure timely application of patches and updates.