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63 lines
3.2 KiB
JSON
63 lines
3.2 KiB
JSON
{
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"id": "CVE-2024-32477",
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"sourceIdentifier": "security-advisories@github.com",
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"published": "2024-04-18T20:15:17.927",
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"lastModified": "2024-04-19T13:10:25.637",
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"vulnStatus": "Awaiting Analysis",
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"descriptions": [
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{
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"lang": "en",
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"value": "Deno is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults. By using ANSI escape sequences and a race between `libc::tcflush(0, libc::TCIFLUSH)` and reading standard input, it's possible to manipulate the permission prompt and force it to allow an unsafe action regardless of the user input. Some ANSI escape sequences act as a info request to the master terminal emulator and the terminal emulator sends back the reply in the PTY channel. standard streams also use this channel to send and get data. For example the `\\033[6n` sequence requests the current cursor position. These sequences allow us to append data to the standard input of Deno. This vulnerability allows an attacker to bypass Deno permission policy. This vulnerability is fixed in 1.42.2.\n"
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},
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{
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"lang": "es",
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"value": "Deno es un tiempo de ejecuci\u00f3n de JavaScript, TypeScript y WebAssembly con valores predeterminados seguros. Al usar secuencias de escape ANSI y una ejecuci\u00f3n entre `libc::tcflush(0, libc::TCIFLUSH)` y leer la entrada est\u00e1ndar, es posible manipular el mensaje de permiso y forzarlo a permitir una acci\u00f3n insegura independientemente de la entrada del usuario. Algunas secuencias de escape ANSI act\u00faan como una solicitud de informaci\u00f3n al emulador de terminal maestro y el emulador de terminal devuelve la respuesta en el canal PTY. Las transmisiones est\u00e1ndar tambi\u00e9n utilizan este canal para enviar y recibir datos. Por ejemplo, la secuencia `\\033[6n` solicita la posici\u00f3n actual del cursor. Estas secuencias nos permiten agregar datos a la entrada est\u00e1ndar de Deno. Esta vulnerabilidad permite a un atacante eludir la pol\u00edtica de permisos de Deno. Esta vulnerabilidad se solucion\u00f3 en 1.42.2."
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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": "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:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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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": "NONE",
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"baseScore": 7.7,
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"baseSeverity": "HIGH"
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},
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"exploitabilityScore": 2.5,
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"impactScore": 5.2
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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": "Secondary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-362"
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},
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{
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"lang": "en",
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"value": "CWE-78"
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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/denoland/deno/security/advisories/GHSA-95cj-3hr2-7j5j",
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"source": "security-advisories@github.com"
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}
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]
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} |