159 lines
6.4 KiB
JSON
159 lines
6.4 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-2026-18796",
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"assignerOrgId": "30a5e7fb-040d-440a-8cdf-a4a2068ce72e",
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"state": "PUBLISHED",
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"assignerShortName": "YesWeHack",
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"dateReserved": "2026-08-04T09:40:15.178Z",
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"datePublished": "2026-09-07T08:07:31.633Z",
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"dateUpdated": "2026-09-10T11:17:10.632Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "30a5e7fb-040d-440a-8cdf-a4a2068ce72e",
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"shortName": "YesWeHack",
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"dateUpdated": "2026-09-10T11:17:10.632Z"
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},
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"title": "QSPI flash encryption side-channel leakage",
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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-1342",
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"description": "CWE-1342 Information exposure through microarchitectural state after transient execution",
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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-37",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-37 Retrieve Embedded Sensitive Data"
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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": "Nordic Semiconductor ASA",
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"product": "nRF5340",
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"versions": [
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{
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"status": "affected",
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"version": "All build codes"
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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": "Any application that\n uses external QSPI flash for encrypted XIP on nRF5340 and relies on that\n encryption for confidentiality and/or integrity of the externally stored\n code. No specific nRF Connect SDK version is the root cause; the weakness\n is in the on-the-fly decryption scheme.",
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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": "<span>Any application that\n uses external QSPI flash for encrypted XIP on nRF5340 and relies on that\n encryption for confidentiality and/or integrity of the externally stored\n code. No specific nRF Connect SDK version is the root cause; the weakness\n is in the on-the-fly decryption scheme.</span><br>"
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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://docs.nordicsemi.com/r/bundle/struct_sa/page/struct/sa.html"
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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": "PHYSICAL",
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"attackComplexity": "HIGH",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "NONE",
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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": "MEDIUM",
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"baseScore": 6.8,
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"vectorString": "CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N"
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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": "Reported externally through PSIRT by Daniël Eijkman and Damian Vizár (CSEM)",
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"type": "reporter"
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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 1.0.4"
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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": "2026-09-08T15:01:20.642344Z",
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"id": "CVE-2026-18796",
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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": "total"
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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": "2026-09-08T15:01:26.689Z"
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}
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}
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]
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}
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} |