CVE-2021-1890 : What You Need to Know
Discover CVE-2021-1890, a high-severity vulnerability in Qualcomm Snapdragon products, allowing memory corruption. Learn about its impact, affected systems, and mitigation steps.
A high-severity vulnerability has been identified in various Qualcomm Snapdragon products, potentially leading to memory corruption. The flaw exists due to an improper length check of the public exponent in the RSA import key function.
Understanding CVE-2021-1890
This section will delve into the details of CVE-2021-1890, shedding light on its impact and technical specifics.
What is CVE-2021-1890?
The vulnerability stems from an inadequate length validation of the public exponent in the RSA import key function. Threat actors could exploit this weakness to trigger memory corruption.
The Impact of CVE-2021-1890
With a CVSS base score of 8.4, this vulnerability is rated as high severity. It possesses a low attack complexity and can cause substantial impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2021-1890
Let's explore the technical aspects of CVE-2021-1890 in more detail.
Vulnerability Description
The flaw arises from the improper length validation of the public exponent during the RSA key import process. This oversight introduces the risk of memory corruption.
Affected Systems and Versions
The vulnerability affects a wide range of Qualcomm Snapdragon products, including Snapdragon Auto, Compute, Connectivity, and IoT, among others. Numerous versions across these product lines are susceptible to exploitation.
Exploitation Mechanism
Threat actors could exploit this vulnerability by manipulating the public exponent length validation, thereby corrupting memory and potentially leading to a compromise of the affected systems.
Mitigation and Prevention
In response to CVE-2021-1890, it is crucial to implement immediate mitigations and adopt long-term security practices to safeguard vulnerable systems.
Immediate Steps to Take
System administrators are advised to apply security patches provided by Qualcomm promptly. Additionally, monitoring for any unauthorized activities can help detect exploitation attempts.
Long-Term Security Practices
To enhance overall system security, organizations should prioritize regular security assessments, ongoing monitoring, and employee awareness training to mitigate potential risks.
Patching and Updates
Keep an eye on security bulletins and updates from Qualcomm to ensure timely patching of vulnerabilities and overall system protection.