{"id":"CVE-2008-3431","kind":"vulnerability","aliases":["CVE-2008-3431"],"related":[],"title":"Oracle VirtualBox: Oracle VirtualBox Insufficient Input Validation Vulnerability","description":"The VBoxDrvNtDeviceControl function in VBoxDrv.sys in Sun xVM VirtualBox before 1.6.4 uses the METHOD_NEITHER communication method for IOCTLs and does not properly validate a buffer associated with the Irp object, which allows local users to gain privileges by opening the \\\\.\\VBoxDrv device and calling DeviceIoControl to send a crafted kernel address.","summary":"Sun xVM VirtualBox's VBoxDrv.sys kernel driver has an input validation flaw that lets a local user run arbitrary code. CISA lists it in its Known Exploited Vulnerabilities catalog, so attacks have been seen in the wild.","severity":"high","cvss":8.8,"epss":0.06876,"exploited":true,"exploited_at":"2022-03-03T00:00:00+00:00","products":[{"name":"Oracle VirtualBox","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","linux","macos","virtualbox","windows"],"not_affected_if":["no-virtualbox-installed"],"how_to_check":null,"fix":"Apply the vendor update for Oracle VirtualBox per vendor instructions (version unknown from sources).","status":"open","published_at":"2008-08-05T19:41:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:26:24+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:26:24Z","model":"claude-haiku-5-5","output":{"fix":"Apply the vendor update for Oracle VirtualBox per vendor instructions (version unknown from sources).","reach":"local","impact":"high","summary":"Sun xVM VirtualBox's VBoxDrv.sys kernel driver has an input validation flaw that lets a local user run arbitrary code. CISA lists it in its Known Exploited Vulnerabilities catalog, so attacks have been seen in the wild.","category":"infrastructure","who_cares":["virtualbox","windows","linux","macos"],"confidence":0.6,"needs_auth":"yes","worst_case":"local user gains arbitrary code execution at kernel driver level","analyst_note":"Find the affected and fixed VirtualBox versions and the vendor advisory for CVE-2008-3431, since the sources give no version data.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["no-virtualbox-installed"],"user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000461,"input_tokens":2842,"output_tokens":354,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2008':10A,13A '-3431':11A,14A '1.6.4':70C 'address':111C 'allow':92C 'arbitrari':41B 'associ':86C 'attack':53B 'buffer':85C 'call':104C 'catalog':51B 'cisa':43B 'code':42B 'communic':75C 'craft':109C 'cve':9A,12A 'devic':102C 'deviceiocontrol':105C 'driver':29B 'exploit':17B,49B 'flaw':34B 'function':62C 'gain':96C 'infrastructur':18B 'input':6A,32B 'insuffici':5A 'ioctl':78C 'irp':89C 'kernel':28B,110C 'known':48B 'let':36B 'linux':19B 'list':44B 'local':38B,93C 'maco':20B 'method':73C,76C 'neither':74C 'object':90C 'open':99C 'oracl':1A,3A 'oracle':15A 'privileg':97C 'proper':82C 'run':40B 'seen':56B 'send':107C 'sun':23B,66C 'use':71C 'user':39B,94C 'valid':7A,33B,83C 'vboxdrv':101C 'vboxdrv.sys':27B,64C 'vboxdrvntdevicecontrol':61C 'virtualbox':2A,4A,16A,21B,25B,68C 'vulner':8A,50B 'wild':59B 'window':22B 'xvm':24B,67C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2008-08-05T19:41:00+00:00","kev":{"dateAdded":"2022-03-03","dueDate":"2022-03-24","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2008-3431","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2008-3431","severity":null,"published_at":"2022-03-03T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T19:35:25+00:00","note":null},{"source":"epss","external_id":"CVE-2008-3431","url":"https://api.first.org/data/v1/epss?cve=CVE-2008-3431","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:44+00:00","fetched_at":"2026-10-23T19:13:44+00:00","note":null},{"source":"nvd","external_id":"CVE-2008-3431","url":"https://nvd.nist.gov/vuln/detail/CVE-2008-3431","severity":null,"published_at":"2008-08-05T19:41:00+00:00","modified_at":"2026-06-16T22:55:48+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}