CVE-2021-30291 Explained : Impact and Mitigation
Learn about CVE-2021-30291 affecting Qualcomm Snapdragon products, leading to memory corruption. Understand its impact, affected systems, and mitigation steps.
This article discusses CVE-2021-30291, a vulnerability impacting various Qualcomm Snapdragon products leading to possible memory corruption. Read on to understand the details, impact, and mitigation steps.
Understanding CVE-2021-30291
CVE-2021-30291 is a vulnerability that affects multiple Qualcomm Snapdragon products due to a lack of validation of client data used for memory allocation.
What is CVE-2021-30291?
The vulnerability in Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, and Wearables could result in memory corruption.
The Impact of CVE-2021-30291
With a CVSS base score of 8.4, this high-severity vulnerability can allow an attacker to execute arbitrary code or disrupt services without user interaction.
Technical Details of CVE-2021-30291
The vulnerability involves incorrect calculation of buffer size in the VR service, affecting a wide range of Qualcomm products and versions.
Vulnerability Description
The flaw arises from inadequate validation of client data, potentially leading to memory corruption in affected Snapdragon devices.
Affected Systems and Versions
Products such as APQ8017, MSM8953, SD 855, and many more across Qualcomm's Snapdragon lineup are vulnerable to this memory corruption issue.
Exploitation Mechanism
Malicious actors could exploit this vulnerability locally, impacting the confidentiality, integrity, and availability of the affected systems.
Mitigation and Prevention
To address CVE-2021-30291, immediate steps should be taken to secure the vulnerable systems and implement long-term security practices.
Immediate Steps to Take
Organizations and users are advised to apply relevant patches and security updates provided by Qualcomm to mitigate the risk of exploitation.
Long-Term Security Practices
Practicing defense-in-depth strategies, regular security assessments, and robust access control mechanisms can enhance the overall security posture.
Patching and Updates
Regularly monitor for security advisories from Qualcomm and apply patches promptly to protect against known vulnerabilities.