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106 lines
6.7 KiB
JSON
106 lines
6.7 KiB
JSON
{
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"id": "CVE-2024-53980",
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"sourceIdentifier": "security-advisories@github.com",
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"published": "2024-11-29T19:15:09.993",
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"lastModified": "2024-11-29T19:15:09.993",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A malicious actor can send a IEEE 802.15.4 packet with spoofed length byte and optionally spoofed FCS, which eventually results into an endless loop on a CC2538 as receiver. Before PR #20998, the receiver would check for the location of the CRC bit using the packet length byte by considering all 8 bits, instead of discarding bit 7, which is what the radio does. This then results into reading outside of the RX FIFO. Although it prints an error when attempting to read outside of the RX FIFO, it will continue doing this. This may lead to a discrepancy in the CRC check according to the firmware and the radio. If the CPU judges the CRC as correct and the radio is set to `AUTO_ACK`, when the packet requests and acknowledgment the CPU will go into the state `CC2538_STATE_TX_ACK`. However, if the radio judged the CRC as incorrect, it will not send an acknowledgment, and thus the `TXACKDONE` event will not fire. It will then never return to the state `CC2538_STATE_READY` since the baseband processing is still disabled. Then the CPU will be in an endless loop. Since setting to idle is not forced, it won't do it if the radio's state is not `CC2538_STATE_READY`. A fix has not yet been made."
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},
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{
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"lang": "es",
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"value": "RIOT es un microcontrolador de c\u00f3digo abierto que opera con sistema, dise\u00f1ado para cumplir con los requisitos de los dispositivos de Internet de las cosas (IoT) y otros dispositivos integrados. Un actor malintencionado puede enviar un paquete IEEE 802.15.4 con un byte de longitud falsificado y, opcionalmente, un FCS falsificado, lo que eventualmente da como resultado un bucle sin fin en un CC2538 como receptor. Antes de la PR n.\u00b0 20998, el receptor verificaba la ubicaci\u00f3n del bit CRC utilizando el byte de longitud del paquete al considerar los 8 bits, en lugar de descartar el bit 7, que es lo que hace la radio. Esto luego da como resultado una lectura fuera del FIFO RX. Aunque imprime un error al intentar leer fuera del FIFO RX, continuar\u00e1 haci\u00e9ndolo. Esto puede generar una discrepancia en la verificaci\u00f3n de CRC seg\u00fan el firmware y la radio. Si la CPU juzga que el CRC es correcto y la radio est\u00e1 configurada en `AUTO_ACK`, cuando se solicita el paquete y se confirma el acuse de recibo, la CPU pasar\u00e1 al estado `CC2538_STATE_TX_ACK`. Sin embargo, si la radio juzga que el CRC es incorrecto, no enviar\u00e1 un acuse de recibo y, por lo tanto, el evento `TXACKDONE` no se activar\u00e1. Entonces, nunca volver\u00e1 al estado `CC2538_STATE_READY` ya que el procesamiento de banda base a\u00fan est\u00e1 deshabilitado. Entonces, la CPU estar\u00e1 en un bucle sin fin. Dado que la configuraci\u00f3n en inactivo no es forzada, no lo har\u00e1 si el estado de la radio no es `CC2538_STATE_READY`. Todav\u00eda no se ha realizado una soluci\u00f3n."
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}
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],
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"metrics": {
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"cvssMetricV40": [
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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": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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"baseScore": 6.9,
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"baseSeverity": "MEDIUM",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "LOW",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"confidentialityRequirement": "NOT_DEFINED",
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"integrityRequirement": "NOT_DEFINED",
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"availabilityRequirement": "NOT_DEFINED",
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"modifiedAttackVector": "NOT_DEFINED",
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"modifiedAttackComplexity": "NOT_DEFINED",
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"modifiedAttackRequirements": "NOT_DEFINED",
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"modifiedPrivilegesRequired": "NOT_DEFINED",
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"modifiedUserInteraction": "NOT_DEFINED",
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"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
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"modifiedVulnIntegrityImpact": "NOT_DEFINED",
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"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
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"modifiedSubConfidentialityImpact": "NOT_DEFINED",
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"modifiedSubIntegrityImpact": "NOT_DEFINED",
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"modifiedSubAvailabilityImpact": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED"
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}
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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-835"
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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/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/cpu/cc2538/radio/cc2538_rf_radio_ops.c#L183",
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"source": "security-advisories@github.com"
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},
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{
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"url": "https://github.com/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/cpu/cc2538/radio/cc2538_rf_radio_ops.c#L417",
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"source": "security-advisories@github.com"
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},
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{
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"url": "https://github.com/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/cpu/cc2538/radio/cc2538_rf_radio_ops.c#L419",
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"source": "security-advisories@github.com"
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},
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{
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"url": "https://github.com/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/cpu/cc2538/radio/cc2538_rf_radio_ops.c#L421-L422",
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"source": "security-advisories@github.com"
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},
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{
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"url": "https://github.com/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/sys/net/link_layer/ieee802154/submac.c#L149",
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"source": "security-advisories@github.com"
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},
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{
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"url": "https://github.com/RIOT-OS/RIOT/pull/20998",
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"source": "security-advisories@github.com"
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},
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{
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"url": "https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-m75q-8vj8-wppw",
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"source": "security-advisories@github.com"
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}
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]
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} |