CVE-2021-1888 : Security Advisory and Response
Learn about CVE-2021-1888, a memory corruption vulnerability in Qualcomm Snapdragon products. Explore the impact, affected systems, and mitigation steps to secure your devices.
A memory corruption vulnerability in key parsing and import functions affecting various Qualcomm Snapdragon products can lead to high impact security issues.
Understanding CVE-2021-1888
This vulnerability arises from double freeing the same heap allocation in multiple Qualcomm Snapdragon devices.
What is CVE-2021-1888?
There is a memory corruption issue in key parsing and import functions in specific Qualcomm Snapdragon products. The problem results from a double-free memory error, potentially leading to severe consequences.
The Impact of CVE-2021-1888
With a CVSS base score of 8.4, the vulnerability poses a high risk as it affects confidentiality, integrity, and availability. The attack complexity is rated as low, and no privileges are required for exploitation.
Technical Details of CVE-2021-1888
The vulnerability lies in key parsing and import functions, allowing memory corruption due to double freeing the same heap allocation. This issue affects a wide range of Qualcomm Snapdragon devices.
Vulnerability Description
The vulnerability arises from a double free error in trusted applications, enabling malicious actors to exploit the heap allocation.
Affected Systems and Versions
Qualcomm Snapdragon products across several categories are impacted, featuring a long list of affected versions where the vulnerability exists.
Exploitation Mechanism
The vulnerability allows threat actors to corrupt memory through key parsing and import functions by triggering the double free error.
Mitigation and Prevention
To address CVE-2021-1888, immediate actions and long-term security measures are crucial.
Immediate Steps to Take
Affected users must apply patches and updates promptly to mitigate the risk of exploitation. Implementing security best practices can also enhance protection.
Long-Term Security Practices
Regular security audits, threat monitoring, and vendor communication are essential for robust security posture. Employing security tools and staying informed about vulnerabilities can safeguard against future threats.
Patching and Updates
Qualcomm has released security bulletins outlining the vulnerability and providing necessary patches and updates to fix the issue.