156 lines
7.1 KiB
JSON
156 lines
7.1 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-2026-75520",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-08-17T20:49:21.599Z",
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"datePublished": "2026-10-28T22:30:59.693Z",
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"dateUpdated": "2026-11-03T13:49:20.705Z"
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},
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"containers": {
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"cna": {
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"title": "Domoticz: Missing authorization and path traversal in the udevices Lua parser handler",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-22",
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"lang": "en",
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"description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
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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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"descriptions": [
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{
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"cweId": "CWE-862",
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"lang": "en",
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"description": "CWE-862: Missing Authorization",
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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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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 5.4,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "LOW",
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"integrityImpact": "LOW",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
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"version": "3.1"
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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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"name": "https://github.com/domoticz/domoticz/security/advisories/GHSA-8rv5-x8wv-c5c4",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/domoticz/domoticz/security/advisories/GHSA-8rv5-x8wv-c5c4"
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},
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{
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"name": "https://github.com/domoticz/domoticz/commit/73ed0495af6de3309f27cfc0091e803300ab5ccd",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/domoticz/domoticz/commit/73ed0495af6de3309f27cfc0091e803300ab5ccd"
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},
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{
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"name": "https://github.com/domoticz/domoticz/blob/2026.3/main/WebServerCmds.cpp#L3445-L3451",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/domoticz/domoticz/blob/2026.3/main/WebServerCmds.cpp#L3445-L3451"
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},
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{
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"name": "https://github.com/domoticz/domoticz/releases/tag/2026.3",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/domoticz/domoticz/releases/tag/2026.3"
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},
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{
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"name": "https://github.com/domoticz/libwebem/blob/dfe946fa32f4c211662e47ef55b8cedfc50a6a76/include/libwebem/session.h#L10-L17",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/domoticz/libwebem/blob/dfe946fa32f4c211662e47ef55b8cedfc50a6a76/include/libwebem/session.h#L10-L17"
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}
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],
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"affected": [
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{
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"vendor": "domoticz",
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"product": "domoticz",
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"versions": [
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{
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"version": "<= 2026.2",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-10-28T22:30:59.693Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Domoticz is a free, open source home automation system for Linux, Windows, macOS, and Raspberry Pi. Prior to 2026.3, the `udevices` JSON command handler, `Cmd_UpdateDevices` in `main/WebServerCmds.cpp`, performed no `session.rights` check before invoking a Lua parser script, while its sibling command handlers gate access by role. A low-privilege authenticated user could trigger execution of an existing operator-installed Lua parser script with attacker-controlled input through the `GET /json.htm` endpoint with `type=command` and `param=udevices`. The `script` parameter also lacked a `..` path-traversal guard: `CLuaHandler::executeLuaScript` in `main/LuaHandler.cpp` constructed the filename from the parser directory and the supplied script name before passing it to `luaL_loadfile`. Execution is limited to already-installed valid Lua files; this is not arbitrary code execution, and the advisory states that file-write and upload paths require administrator privileges. This issue is addressed in version 2026.3."
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}
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],
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"source": {
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"advisory": "GHSA-8rv5-x8wv-c5c4",
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"discovery": "UNKNOWN"
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}
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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": "2026-11-03T13:48:51.680392Z",
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"id": "CVE-2026-75520",
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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": "partial"
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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": "2026-11-03T13:49:20.705Z"
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}
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}
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]
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}
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} |