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nvd-json-data-feeds/CVE-2020/CVE-2020-60xx/CVE-2020-6096.json
cad-safe-bot 5fc0b01395 Auto-Update: 2024-12-15T03:00:19.262894+00:00
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{
"id": "CVE-2020-6096",
"sourceIdentifier": "talos-cna@cisco.com",
"published": "2020-04-01T22:15:18.503",
"lastModified": "2024-11-21T05:35:05.313",
"vulnStatus": "Modified",
"cveTags": [],
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"lang": "en",
"value": "An exploitable signed comparison vulnerability exists in the ARMv7 memcpy() implementation of GNU glibc 2.30.9000. Calling memcpy() (on ARMv7 targets that utilize the GNU glibc implementation) with a negative value for the 'num' parameter results in a signed comparison vulnerability. If an attacker underflows the 'num' parameter to memcpy(), this vulnerability could lead to undefined behavior such as writing to out-of-bounds memory and potentially remote code execution. Furthermore, this memcpy() implementation allows for program execution to continue in scenarios where a segmentation fault or crash should have occurred. The dangers occur in that subsequent execution and iterations of this code will be executed with this corrupted data."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de comparaci\u00f3n firmada explotable en la implementaci\u00f3n de la funci\u00f3n memcpy() de ARMv7 de GNU glibc versi\u00f3n 2.30.9000. Llamar a la funci\u00f3n memcpy() (en objetivos ARMv7 que utilizan la implementaci\u00f3n GNU glibc) con un valor negativo para el par\u00e1metro \"num\" resulta en una vulnerabilidad de comparaci\u00f3n firmada. Si un atacante desborda el par\u00e1metro \"num\" en la funci\u00f3n memcpy(), esta vulnerabilidad podr\u00eda conllevar a un comportamiento indefinido, como escribir en la memoria fuera de l\u00edmites y una potencial ejecuci\u00f3n de c\u00f3digo remota. Adem\u00e1s, esta implementaci\u00f3n de la funci\u00f3n memcpy() permite que la ejecuci\u00f3n del programa contin\u00fae en escenarios donde un fallo de segmentaci\u00f3n o bloqueo deber\u00eda haberse producido. Los peligros se presentan en que la ejecuci\u00f3n posterior y las iteraciones de este c\u00f3digo son ejecutadas con estos datos corruptos."
}
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"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
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