mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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252 lines
9.2 KiB
JSON
252 lines
9.2 KiB
JSON
{
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"id": "CVE-2021-32761",
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"sourceIdentifier": "security-advisories@github.com",
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"published": "2021-07-21T21:15:07.670",
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"lastModified": "2022-10-06T16:58:56.300",
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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": "Redis is an in-memory database that persists on disk. A vulnerability involving out-of-bounds read and integer overflow to buffer overflow exists starting with version 2.2 and prior to versions 5.0.13, 6.0.15, and 6.2.5. On 32-bit systems, Redis `*BIT*` command are vulnerable to integer overflow that can potentially be exploited to corrupt the heap, leak arbitrary heap contents or trigger remote code execution. The vulnerability involves changing the default `proto-max-bulk-len` configuration parameter to a very large value and constructing specially crafted commands bit commands. This problem only affects Redis on 32-bit platforms, or compiled as a 32-bit binary. Redis versions 5.0.`3m 6.0.15, and 6.2.5 contain patches for this issue. An additional workaround to mitigate the problem without patching the `redis-server` executable is to prevent users from modifying the `proto-max-bulk-len` configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command."
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},
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{
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"lang": "es",
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"value": "Redis es una base de datos en memoria que persiste en el disco. Se presenta una vulnerabilidad que implica una lectura fuera de l\u00edmites y el desbordamiento de enteros a desbordamiento de b\u00fafer a partir de la versi\u00f3n 2.2 y anterior a las versiones 5.0.13, 6.0.15 y 6.2.5. En los sistemas de 32 bits, el comando \"*BIT*\" de Redis es vulnerable al desbordamiento de enteros que puede ser potencialmente explotado para corromper la pila, filtrar contenidos arbitrarios de pila o desencadenar una ejecuci\u00f3n de c\u00f3digo remota . La vulnerabilidad implica cambiar el par\u00e1metro de configuraci\u00f3n \"proto-max-bulk-len\" predeterminado a un valor muy grande y construir comandos de bits especialmente dise\u00f1ados. Este problema s\u00f3lo afecta a Redis en plataformas de 32 bits, o compilado como un binario de 32 bits. Redis versiones 5.0.3m 6.0.15, y 6.2.5 contienen parches para este problema. Una soluci\u00f3n adicional para mitigar el problema sin parchear el ejecutable \"redis-server\" es prevenir que usuarios modifiquen el par\u00e1metro de configuraci\u00f3n \"proto-max-bulk-len\". Esto puede hacerse usando ACL para restringir a usuarios sin privilegios de usar el comando CONFIG SET"
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}
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],
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"metrics": {
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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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": 7.5,
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"baseSeverity": "HIGH"
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},
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"exploitabilityScore": 1.6,
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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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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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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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"accessVector": "NETWORK",
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"accessComplexity": "MEDIUM",
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"authentication": "SINGLE",
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"confidentialityImpact": "PARTIAL",
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"integrityImpact": "PARTIAL",
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"availabilityImpact": "PARTIAL",
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"baseScore": 6.0
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 6.8,
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"impactScore": 6.4,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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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-125"
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},
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{
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"lang": "en",
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"value": "CWE-680"
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}
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{
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"type": "Secondary",
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{
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"lang": "en",
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"value": "CWE-190"
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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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"references": [
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{
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"url": "https://github.com/redis/redis/security/advisories/GHSA-8wxq-j7rp-g8wj",
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"tags": [
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} |