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118 lines
4.4 KiB
JSON
118 lines
4.4 KiB
JSON
{
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"id": "CVE-2018-18558",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2019-05-13T13:29:02.103",
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"lastModified": "2023-11-07T02:55:19.017",
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"vulnStatus": "Modified",
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"descriptions": [
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{
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"lang": "en",
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"value": "An issue was discovered in Espressif ESP-IDF 2.x and 3.x before 3.0.6 and 3.1.x before 3.1.1. Insufficient validation of input data in the 2nd stage bootloader allows a physically proximate attacker to bypass secure boot checks and execute arbitrary code, by crafting an application binary that overwrites a bootloader code segment in process_segment in components/bootloader_support/src/esp_image_format.c. The attack is effective when the flash encryption feature is not enabled, or if the attacker finds a different vulnerability that allows them to write this binary to flash memory."
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},
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{
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"lang": "es",
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"value": "Se descubri\u00f3 un problema en Espressif ESP-IDF versi\u00f3n 2.x y versi\u00f3n 3.x anterior a 3.0.6 y versi\u00f3n 3.1.x anterior a 3.1.1. La comprobaci\u00f3n insuficiente de los datos de entrada en el gestor de arranque de la segunda etapa permite que un atacante f\u00edsicamente pr\u00f3ximo omita las comprobaciones de arranque seguras y ejecute c\u00f3digo arbitrario, creando un binario de aplicaci\u00f3n que sobrescriba un segmento de c\u00f3digo del gestor de arranque en el par\u00e1metro process_segment en el archivo components/bootloader_support/src/esp_image_format.c. El ataque es exitoso cuando la funci\u00f3n de cifrado flash est\u00e1 inhabilitada, o si el atacante encuentra una vulnerabilidad distinta que le permite escribir este binario en la memoria flash."
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}
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],
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"metrics": {
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"cvssMetricV30": [
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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": "3.0",
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"vectorString": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "PHYSICAL",
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"attackComplexity": "HIGH",
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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": "HIGH",
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"baseScore": 6.4,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 0.5,
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"impactScore": 5.9
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}
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],
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"cvssMetricV2": [
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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": "2.0",
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"vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
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"accessVector": "LOCAL",
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"accessComplexity": "MEDIUM",
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"authentication": "NONE",
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"confidentialityImpact": "COMPLETE",
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"integrityImpact": "COMPLETE",
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"availabilityImpact": "COMPLETE",
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"baseScore": 6.9
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 3.4,
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"impactScore": 10.0,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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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": "nvd@nist.gov",
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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-20"
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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:espressif:esp-idf:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.0",
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"versionEndExcluding": "3.0.6",
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"matchCriteriaId": "A16A6B0D-D949-4CD3-B16B-66B56E381F6C"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.1",
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"versionEndIncluding": "3.1.1",
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"matchCriteriaId": "B969656A-0BC9-4869-96FE-0D08C9EBB83D"
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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/espressif/esp-idf/releases",
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"source": "cve@mitre.org",
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"tags": [
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"Release Notes",
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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://www.espressif.com/en/news/Espressif_Product_Security_Advisory_Concerning_Secure_Boot_%28CVE-2018-18558%29",
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"source": "cve@mitre.org"
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}
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]
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} |