CVE-2021-26277 : Vulnerability Insights and Analysis
Learn about CVE-2021-26277, a vulnerability in Vivo Framework Services allowing malicious apps to perform privileged actions. Find out the impact, affected systems, and mitigation steps.
A vulnerability in the Framework Services of Vivo devices has been identified, allowing a malicious application to hijack pendingIntents and perform privileged actions. Here's a detailed overview of CVE-2021-26277.
Understanding CVE-2021-26277
This section will provide insights into the nature and impact of the vulnerability.
What is CVE-2021-26277?
The vulnerability arises from the framework service's mishandling of pendingIntents, enabling unauthorized privileged actions by a malicious app.
The Impact of CVE-2021-26277
The exploitation of this vulnerability could lead to unauthorized access to sensitive information and functionalities, posing a significant risk to user privacy and device security.
Technical Details of CVE-2021-26277
Explore the technical aspects of the vulnerability to better understand its scope and implications.
Vulnerability Description
CVE-2021-26277 is classified under CWE-94 ('Improper Control of Generation of Code'), allowing for potential code injection through the mishandling of pendingIntents within the framework service.
Affected Systems and Versions
The vulnerability affects Vivo devices using the Frame service version 2021.6.30, exposing all devices running this specific version to exploitation.
Exploitation Mechanism
By leveraging the improper handling of pendingIntents, a malicious application with certain privileges can execute privileged actions, bypassing typical security restrictions.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks associated with CVE-2021-26277 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to exercise caution while installing apps and to only download from trusted sources to minimize the risk of exploit. It is also recommended to update to the latest firmware provided by Vivo.
Long-Term Security Practices
Developing a security-conscious mindset and regularly updating devices and applications can enhance overall protection against similar vulnerabilities.
Patching and Updates
Vivo is expected to release a security patch addressing CVE-2021-26277, users must promptly apply this update to safeguard their devices against potential exploits.