CVE-2021-0480 : What You Need to Know
Learn about CVE-2021-0480 impacting Android devices. Find out the risks, affected versions, and mitigation steps for this information disclosure vulnerability.
Android devices running specific versions are vulnerable to an information disclosure issue due to a sensitive identifier being included in a broadcast intent in createPendingIntent of SnoozeHelper.java. This vulnerability could potentially lead to local information exposure without needing additional execution privileges. User interaction is required for successful exploitation.
Understanding CVE-2021-0480
This section provides insights into the nature and impact of CVE-2021-0480.
What is CVE-2021-0480?
The vulnerability in createPendingIntent of SnoozeHelper.java allows for a potential information disclosure on affected Android devices. The issue arises from a broadcast intent containing a sensitive identifier.
The Impact of CVE-2021-0480
The presence of the sensitive identifier in the broadcast intent can result in local information disclosure. Attackers could exploit this without the need for extra execution privileges, highlighting the severity of the vulnerability.
Technical Details of CVE-2021-0480
Explore the technical aspects of CVE-2021-0480 to understand its implications and risks.
Vulnerability Description
The createPendingIntent function in SnoozeHelper.java is the source of the vulnerability, which enables the inclusion of a sensitive identifier in a broadcast intent, leading to potential information disclosure.
Affected Systems and Versions
Android devices using versions Android-10, Android-11, Android-8.1, and Android-9 are susceptible to this information disclosure vulnerability.
Exploitation Mechanism
Exploiting this CVE requires user interaction to trigger the broadcast intent containing the sensitive identifier, resulting in local information leakage.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2021-0480 and safeguard vulnerable systems.
Immediate Steps to Take
Users should exercise caution while interacting with untrusted apps or sources to prevent unauthorized access and information disclosure.
Long-Term Security Practices
Regularly update Android devices to the latest software versions provided by the official vendor to patch known vulnerabilities and enhance overall security.
Patching and Updates
Stay informed about security advisories and patches released by Google for Android to address CVE-2021-0480 and other potential risks.