165 lines
7.0 KiB
JSON
165 lines
7.0 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-2026-92853",
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"assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
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"state": "PUBLISHED",
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"assignerShortName": "eclipse",
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"dateReserved": "2026-09-23T13:43:04.315Z",
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"datePublished": "2026-10-20T15:10:08.102Z",
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"dateUpdated": "2026-10-20T17:02:19.980Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
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"shortName": "eclipse",
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"dateUpdated": "2026-10-20T15:10:08.102Z"
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},
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"title": "Out-of-bounds Read via a Zero-length TLS 1.3 Certificate Message in NetX Secure",
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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-125",
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"description": "CWE-125 Out-of-bounds Read",
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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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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-191",
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"description": "CWE-191 Integer Underflow (Wrap or Wraparound)",
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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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"affected": [
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{
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"vendor": "Eclipse Foundation",
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"product": "Eclipse ThreadX - NetX Duo",
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"packageName": "NetX Duo",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThanOrEqual": "6.5.1.202602",
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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": "6.5.2.202603"
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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": "The TLS 1.3 Certificate-message parser in NetX Secure decrements the message length to skip a context byte without first establishing that the message has a byte to skip. A zero-length Certificate message therefore wraps the unsigned length to `0xFFFFFFFF`, which makes the bounds check that follows vacuous and sends the parser reading past the session packet buffer.\n\n\n\nThe trigger is a four-byte handshake header and requires no cryptographic validity. It is reachable pre-authentication.",
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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": "<p>The TLS 1.3 Certificate-message parser in NetX Secure decrements the message length to skip a context byte without first establishing that the message has a byte to skip. A zero-length Certificate message therefore wraps the unsigned length to `0xFFFFFFFF`, which makes the bounds check that follows vacuous and sends the parser reading past the session packet buffer.</p><p>The trigger is a four-byte handshake header and requires no cryptographic validity. It is reachable pre-authentication.</p>"
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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/eclipse-threadx/netxduo/security/advisories/GHSA-893m-9g4r-4992"
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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": "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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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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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": "HIGH",
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"baseScore": 8.7,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/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": "afldl",
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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 1.0.5"
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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": "2026-10-20T17:02:10.102886Z",
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"id": "CVE-2026-92853",
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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": "yes"
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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": "2026-10-20T17:02:19.980Z"
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}
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}
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]
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}
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} |