Overview
The vulnerability, indexed as CVE-2025-48552, is a critical flaw in DevicePolicyManagerService.java that potentially allows for a local escalation of privilege. All systems running the affected versions of this Java service may be at risk. Due to the high severity score and potential for system compromise or data leakage, immediate attention is required.
Vulnerability Summary
CVE ID: CVE-2025-48552
Severity: High (7.8 CVSS)
Attack Vector: Local
Privileges Required: None
User Interaction: Not Required
Impact: Potential system compromise and data leakage
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Product | Affected Versions
DevicePolicyManagerService.java | All prior to patch
How the Exploit Works
The flaw lies in the saveGlobalProxyLocked function of DevicePolicyManagerService.java. A logic error in the code allows for desynchronization from persistence. This could potentially be exploited by an attacker to escalate their privileges locally, without needing any additional execution privileges or user interaction.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited. While this is not actual exploit code, it provides a general idea of how an attacker might take advantage of the flaw.
public class Exploit {
public static void main(String[] args) {
// Obtain instance of vulnerable service
DevicePolicyManagerService service = DevicePolicyManagerService.getInstance();
// Attempt to desync the service from persistence
service.saveGlobalProxyLocked(null, null);
// If successful, escalated privileges can be used here
}
}Mitigation Guidance
It is highly recommended to apply a vendor patch as soon as it becomes available. In the meantime, usage of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation. These tools can potentially block or alert on activity that appears to be exploiting this vulnerability.
