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nvd-json-data-feeds/CVE-2017/CVE-2017-178xx/CVE-2017-17806.json
René Helmke 7791f18b51 bootstrap
2023-05-16 16:09:41 +02:00

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{
"id": "CVE-2017-17806",
"sourceIdentifier": "cve@mitre.org",
"published": "2017-12-20T23:29:00.377",
"lastModified": "2023-01-19T16:26:25.123",
"vulnStatus": "Analyzed",
"descriptions": [
{
"lang": "en",
"value": "The HMAC implementation (crypto/hmac.c) in the Linux kernel before 4.14.8 does not validate that the underlying cryptographic hash algorithm is unkeyed, allowing a local attacker able to use the AF_ALG-based hash interface (CONFIG_CRYPTO_USER_API_HASH) and the SHA-3 hash algorithm (CONFIG_CRYPTO_SHA3) to cause a kernel stack buffer overflow by executing a crafted sequence of system calls that encounter a missing SHA-3 initialization."
},
{
"lang": "es",
"value": "La implementaci\u00f3n HMAC (crypto/hmac.c) en el kernel de Linux en versiones anteriores a la 4.14.8 no valida que el algoritmo de hash criptogr\u00e1fico subyacente no tenga clave, lo que permite que un atacante local capaz de utilizar la interfaz hash basada en AF_ALG (CONFIG_CRYPTO_USER_API_HASH) y el algoritmo hash basado en SHA-3 (CONFIG_CRYPTO_SHA3) provoque un desbordamiento de b\u00fafer de pila de kernel ejecutando una secuencia manipulada de llamadas al sistema para encontrar una inicializaci\u00f3n SHA-3 ausente."
}
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"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
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"baseScore": 7.8,
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