185 lines
7.4 KiB
JSON
185 lines
7.4 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-5818",
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"assignerOrgId": "b01ddd03-5ef6-483b-b2c5-acba77f1a554",
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"state": "PUBLISHED",
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"assignerShortName": "Caliptra",
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"dateReserved": "2026-04-08T15:45:10.928Z",
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"datePublished": "2026-06-23T23:50:06.556Z",
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"dateUpdated": "2026-06-24T13:04:40.166Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "b01ddd03-5ef6-483b-b2c5-acba77f1a554",
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"shortName": "Caliptra",
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"dateUpdated": "2026-06-23T23:50:06.556Z"
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},
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"title": "MCU Firmware Update Authentication Bypass on Caliptra Core",
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"datePublic": "2026-06-23T19:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-253",
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"description": "CWE-253 Incorrect check of function return value",
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"type": "CWE"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-115",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-115 Authentication Bypass"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Caliptra",
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"product": "Core Runtime Firmware",
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"collectionURL": "https://github.com/chipsalliance/caliptra-sw",
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"packageName": "Core Runtime Firmware",
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"modules": [
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"ActivateFirmwareCmd::activate_fw"
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],
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"versions": [
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{
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"status": "affected",
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"version": "2.0.0",
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"lessThanOrEqual": "2.0.1",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "2.1.0",
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"versionType": "semver"
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},
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{
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"status": "unaffected",
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"version": "2.0.2",
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"versionType": "semver"
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},
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{
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"status": "unaffected",
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"version": "2.1.1",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "Incorrect check of function return value in Caliptra Core Runtime Firmware (ActivateFirmwareCmd::activate_fw modules) allows bypass of Caliptra Core's verification of the MCU FW during a hitless update.\n\nThis issue affects Core Runtime Firmware: from 2.0.0 through 2.0.1, 2.1.0.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "Incorrect check of function return value in Caliptra Core Runtime Firmware (ActivateFirmwareCmd::activate_fw modules) allows bypass of Caliptra Core's verification of the MCU FW during a hitless update.<p>This issue affects Core Runtime Firmware: from 2.0.0 through 2.0.1, 2.1.0.</p>"
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}
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]
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}
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],
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"tags": [
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"x_open-source"
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],
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"references": [
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{
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"url": "https://github.com/chipsalliance/caliptra-sw/security/advisories/GHSA-456r-gcjr-6rxq"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "ADJACENT",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "HIGH",
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"exploitMaturity": "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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"version": "4.0",
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"baseSeverity": "HIGH",
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"baseScore": 7.2,
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"vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:H"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "NVIDIA Offensive Security Research (OSR) team",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.1"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-06-24T13:04:30.529915Z",
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"id": "CVE-2026-5818",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-06-24T13:04:40.166Z"
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}
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}
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]
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}
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} |