CVE-2021-25526 Explained : Impact and Mitigation
Learn about CVE-2021-25526, an intent redirection vulnerability in Samsung Blockchain Wallet allowing attackers to execute privileged actions. Understand the impact, technical details, and mitigation steps.
This article provides an overview of CVE-2021-25526, a vulnerability in Samsung Blockchain Wallet. It discusses the impact, technical details, and mitigation strategies associated with this CVE.
Understanding CVE-2021-25526
CVE-2021-25526 is an intent redirection vulnerability found in Samsung Blockchain Wallet versions prior to 1.3.02.8. This vulnerability allows an attacker to perform privileged actions.
What is CVE-2021-25526?
The intent redirection vulnerability in Samsung Blockchain Wallet before version 1.3.02.8 enables attackers to execute privileged actions, potentially leading to unauthorized activities.
The Impact of CVE-2021-25526
With a CVSS base score of 4 and a base severity level of MEDIUM, this vulnerability poses a threat to confidentiality. Attackers can exploit the vulnerability locally without requiring special privileges, impacting user data integrity.
Technical Details of CVE-2021-25526
The technical details of CVE-2021-25526 include:
Vulnerability Description
The vulnerability arises from an improper export of Android application components, specifically affecting Samsung Blockchain Wallet versions earlier than 1.3.02.8.
Affected Systems and Versions
Samsung Blockchain Wallet versions less than 1.3.02.8 are susceptible to this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability locally without needing any special user interaction, impacting confidentiality.
Mitigation and Prevention
To address CVE-2021-25526, consider the following mitigation strategies:
Immediate Steps to Take
Users should update Samsung Blockchain Wallet to version 1.3.02.8 or later to mitigate the vulnerability. Additionally, avoid interacting with suspicious links or content to reduce the risk of exploitation.
Long-Term Security Practices
Practicing good security hygiene, such as regularly updating software and employing caution when granting app permissions, can help prevent similar vulnerabilities in the future.
Patching and Updates
Samsung Mobile has released updates to address CVE-2021-25526. Users are advised to promptly install these patches to secure their devices.