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108 lines
4.1 KiB
JSON
108 lines
4.1 KiB
JSON
{
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"id": "CVE-2022-39203",
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"sourceIdentifier": "security-advisories@github.com",
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"published": "2022-09-13T19:15:13.030",
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"lastModified": "2022-09-16T02:38:32.053",
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"vulnStatus": "Analyzed",
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"descriptions": [
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{
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"lang": "en",
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"value": "matrix-appservice-irc is an open source Node.js IRC bridge for Matrix. Attackers can specify a specific string of characters, which would confuse the bridge into combining an attacker-owned channel and an existing channel, allowing them to grant themselves permissions in the channel. The vulnerability has been patched in matrix-appservice-irc 0.35.0. As a workaround operators may disable dynamic channel joining via `dynamicChannels.enabled` to prevent users from joining new channels, which prevents any new channels being bridged outside of what is already bridged, and what is specified in the config."
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},
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{
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"lang": "es",
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"value": "matrix-appservice-irc es un puente IRC Node.js de c\u00f3digo abierto para Matrix. Los atacantes pueden especificar una cadena de caracteres espec\u00edfica, que confundir\u00eda al puente para combinar un canal propiedad del atacante y un canal existente, lo que les permitir\u00eda concederse permisos en el canal. La vulnerabilidad ha sido parcheada en matrix-appservice-irc versi\u00f3n 0.35.0. Como mitigaci\u00f3n, los operadores pueden deshabilitar la uni\u00f3n din\u00e1mica de canales por medio de \"dynamicChannels.enabled\" para evitar que usuarios sean unidos a nuevos canales, lo que evita que puenteen nuevos canales fuera de los que ya est\u00e1n puenteados, y lo que es especificado en la configuraci\u00f3n"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "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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"baseScore": 8.8,
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"baseSeverity": "HIGH"
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},
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"exploitabilityScore": 2.8,
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"impactScore": 5.9
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},
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{
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"source": "security-advisories@github.com",
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"type": "Secondary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "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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"baseScore": 8.8,
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"baseSeverity": "HIGH"
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},
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"exploitabilityScore": 2.8,
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"impactScore": 5.9
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}
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]
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},
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"weaknesses": [
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{
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"source": "security-advisories@github.com",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-269"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:matrix:matrix_irc_bridge:*:*:*:*:*:node.js:*:*",
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"versionEndExcluding": "0.35.0",
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"matchCriteriaId": "755C37CD-5D52-4F2E-9A77-8BC02843CFDB"
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}
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]
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}
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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/matrix-org/matrix-appservice-irc/security/advisories/GHSA-xvqg-mv25-rwvw",
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"source": "security-advisories@github.com",
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"tags": [
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"Mitigation",
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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://matrix.org/blog/2022/09/13/security-release-of-matrix-appservice-irc-0-35-0-high-severity/",
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"source": "security-advisories@github.com",
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"tags": [
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"Vendor Advisory"
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]
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}
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]
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} |