Overview
The vulnerability, CVE-2025-32326, is a security loophole present in multiple functions of AppRestrictionsFragment.java. This flaw can potentially allow a malicious actor to bypass intent security checks, leading to a local escalation of privileges. It is particularly concerning due to the potential for system compromise or data leakage, with a CVSS score of 7.8, indicating its high severity.
Vulnerability Summary
CVE ID: CVE-2025-32326
Severity: High (CVSS: 7.8)
Attack Vector: Local
Privileges Required: None
User Interaction: Required
Impact: Local privilege escalation, potential system compromise or data leakage
Affected Products
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Product | Affected Versions
AppRestrictionsFragment.java | All versions prior to patch
How the Exploit Works
The vulnerability arises from a confused deputy problem in multiple functions of AppRestrictionsFragment.java. A confused deputy is a computer program that is innocently fooled by some other party into misusing its authority. In this case, a malicious actor could manipulate the software into bypassing the intent security check, thereby escalating their privileges on the system.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited. This pseudocode demonstrates how a malicious actor might trick the software into bypassing the intent security check.
Intent maliciousIntent = new Intent();
maliciousIntent.setComponent(new ComponentName("com.example.vulnerableapp", "com.example.vulnerableapp.VulnerableActivity"));
// Bypass security check
AppRestrictionsFragment.confuseDeputy(maliciousIntent);
startActivity(maliciousIntent);Note:
The above code is a simplified representation and may not work exactly as shown. It is intended to illustrate the nature of the vulnerability.
Recommended Mitigation
The primary recommended mitigation for CVE-2025-32326 is to apply the vendor-provided patch. If this is not immediately feasible, temporary mitigation can be achieved by implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to monitor, identify, and block malicious activity. However, this should be considered a stopgap measure until the patch can be applied, as it may not fully protect against all potential exploits.
