CVE-2021-25438 : Security Advisory and Response
Learn about CVE-2021-25438, an improper access control vulnerability in Samsung Members app versions prior to 2.4.85.11 in Android O and below, and 3.9.10.11 in Android P and above, enabling untrusted apps to exploit local file inclusion in webview.
A detailed overview of CVE-2021-25438, an improper access control vulnerability in Samsung Members app allowing untrusted applications to exploit local file inclusion in webview.
Understanding CVE-2021-25438
This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2021-25438?
The vulnerability in Samsung Members app versions prior to 2.4.85.11 in Android O and below, and 3.9.10.11 in Android P and above enables untrusted applications to leverage local file inclusion in webview.
The Impact of CVE-2021-25438
The vulnerability poses a moderate threat, with untrusted applications having the potential to exploit local file inclusion, leading to unauthorized access or information disclosure.
Technical Details of CVE-2021-25438
Explore the specifics of the vulnerability, including affected systems, exploitation mechanism, and mitigation measures.
Vulnerability Description
CVE-2021-25438 is classified as an improper access control flaw, allowing unauthorized apps to manipulate webview content, possibly leading to data exposure or system compromise.
Affected Systems and Versions
Samsung Members app versions before 2.4.85.11 (Android O and below) and 3.9.10.11 (Android P and above) are vulnerable to this issue.
Exploitation Mechanism
Attackers can exploit this vulnerability by tricking users into installing malicious apps that interact with the Samsung Members app, compromising webview security.
Mitigation and Prevention
Discover immediate steps and long-term security practices to mitigate the risks associated with CVE-2021-25438.
Immediate Steps to Take
Users are advised to update Samsung Members to secure versions and avoid downloading apps from untrusted sources to prevent exploitation of this vulnerability.
Long-Term Security Practices
Practicing good digital hygiene, such as regularly updating apps and using reputable app stores, can enhance overall device security and reduce the risk of similar vulnerabilities.
Patching and Updates
Regularly check for security updates from Samsung Mobile and apply patches promptly to protect against known vulnerabilities.