Overview
The cybersecurity vulnerability CVE-2025-48553 is a significant issue that affects the DevicePolicyManagerService.java. This flaw allows for a potential Denial of Service (DoS) attack, possibly leading to local privilege escalation without needing any additional execution privileges. This vulnerability is particularly concerning as it doesn’t require user interaction for exploitation, increasing the potential attack surface.
Vulnerability Summary
CVE ID: CVE-2025-48553
Severity: High, CVSS Score of 7.8
Attack Vector: Local
Privileges Required: None
User Interaction: None
Impact: Potential system compromise and data leakage
Affected Products
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Product | Affected Versions
DevicePolicyManagerService.java | All current versions
How the Exploit Works
The vulnerability resides within the handlePackagesChanged function of DevicePolicyManagerService.java. A logic error in the code allows an attacker to execute a DoS attack, causing the device admin to become unavailable. This could potentially lead to local escalation of privilege, where an attacker can obtain higher-level permissions on the device without requiring additional execution privileges.
Conceptual Example Code
The following conceptual code shows how the vulnerability might be exploited. This pseudocode attempts to overload the handlePackagesChanged function, causing a DoS:
DevicePolicyManagerService dpm = new DevicePolicyManagerService();
try {
while (true) {
dpm.handlePackagesChanged();
}
} catch (Exception e) {
// System is now in a DoS state, proceed with privilege escalation
escalatePrivileges();
}Please note that this is a simplification of the actual exploit code. The specific details of how to cause the DoS and proceed with privilege escalation have been omitted to prevent misuse.
