143 lines
5.9 KiB
JSON
143 lines
5.9 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-71279",
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"assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
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"state": "PUBLISHED",
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"assignerShortName": "TuranSec",
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"dateReserved": "2026-08-05T12:23:34.967Z",
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"datePublished": "2026-08-05T12:26:25.594Z",
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"dateUpdated": "2026-08-10T11:47:00.480Z"
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},
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"containers": {
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"cna": {
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"title": "Zigbee2MQTT External JS Extension Path Traversal Leading to Remote Code Execution",
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"descriptions": [
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{
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"lang": "en",
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"value": "Zigbee2MQTT's ExternalJSExtension.getFilePath (lib/extension/externalJS.ts) joins a parameter received via an MQTT message (topic zigbee2mqtt/bridge/request/extension/save) into the extensions base path using path.join(basePath, name) with no sanitization. The extension handler only validates that the name ends in .js/.mjs/.cjs, writes the file, and then dynamically imports it via Node.js import, achieving remote code execution.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>Zigbee2MQTT's ExternalJSExtension.getFilePath (lib/extension/externalJS.ts) joins a parameter received via an MQTT message (topic zigbee2mqtt/bridge/request/extension/save) into the extensions base path using path.join(basePath, name) with no sanitization. The extension handler only validates that the name ends in .js/.mjs/.cjs, writes the file, and then dynamically imports it via Node.js import, achieving remote code execution.</p>"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "CWE-22",
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"cweId": "CWE-22",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Koenkk",
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"product": "zigbee2mqtt",
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"programFiles": [
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"lib/extension/externalJS.ts"
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],
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "2.12.0",
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"status": "affected",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 8.1,
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"baseSeverity": "HIGH",
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"attackVector": "ADJACENT_NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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}
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}
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],
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"references": [
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{
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"url": "https://github.com/Koenkk/zigbee2mqtt",
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"tags": [
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"third-party-advisory"
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]
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},
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{
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"url": "https://github.com/Koenkk/zigbee2mqtt/blob/master/lib/extension/externalJS.ts",
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"tags": [
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"third-party-advisory"
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]
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Alibek Baxtiyorov",
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"type": "finder"
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}
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],
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"providerMetadata": {
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"orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
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"shortName": "TuranSec",
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"dateUpdated": "2026-08-10T11:47:00.480Z"
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},
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"source": {
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"discovery": "EXTERNAL"
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},
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"datePublic": "2026-08-05T12:26:25.594Z"
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-05T15:55:04.507481Z",
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"id": "CVE-2026-71279",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-05T15:55:11.665Z"
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}
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}
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]
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}
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} |