146 lines
6.8 KiB
JSON
146 lines
6.8 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-2026-124759",
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"assignerOrgId": "4b71179a-3b92-4a9d-b9fc-af8b8ed579ee",
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"state": "PUBLISHED",
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"assignerShortName": "rt-labs",
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"dateReserved": "2026-11-09T12:48:59.071Z",
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"datePublished": "2026-11-13T13:22:56.820Z",
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"dateUpdated": "2026-11-13T13:22:56.820Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "4b71179a-3b92-4a9d-b9fc-af8b8ed579ee",
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"shortName": "rt-labs",
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"dateUpdated": "2026-11-13T13:22:56.820Z"
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},
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"title": "Alarm frames are accepted from any source address",
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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-346",
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"description": "CWE-346 Origin Validation Error",
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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": "RT-Labs",
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"product": "P-Net",
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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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"lessThan": "1.0.4",
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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": "1.0.4",
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"lessThan": "*",
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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": "P-Net before 1.0.4 routes a received RTA alarm frame to an Application Relationship using only the destination alarm reference in the frame, without checking the source of the frame. A host with ADJACENT network access can abort an established Application Relationship with a single alarm ERROR frame, or deliver forged alarm notifications with chosen type, slot, subslot, USI and payload to the application.",
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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>P-Net before 1.0.4 routes a received RTA alarm frame to an Application Relationship using only the destination alarm reference in the frame, without checking the source of the frame. A host with ADJACENT network access can abort an established Application Relationship with a single alarm ERROR frame, or deliver forged alarm notifications with chosen type, slot, subslot, USI and payload to the application.</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://rt-labs.com/wp-content/uploads/2026/11/RRTL-261109-01.pdf",
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"name": "Cybersecurity advisory for P-Net"
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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": "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": "LOW",
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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": 7.1,
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"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N"
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}
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "Upgrade to P-Net 1.0.4 or later, which ignores alarm frames that do not come from the IO-controller of the Application Relationship. It reduces the risk but does not remove it, see Remaining Risk.",
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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>Upgrade to P-Net 1.0.4 or later, which ignores alarm frames that do not come from the IO-controller of the Application Relationship. It reduces the risk but does not remove it, see Remaining Risk.</p>"
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}
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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": "Aditya Gupta (Attify - attify.com)",
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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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"workarounds": [
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{
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"lang": "en",
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"value": "Isolate the network of the device from untrusted hosts, for example by a firewall or a separate network,. The remaining risk is that a host on the network that knows the MAC address of the IO-controller and the alarm references can still send forged alarm frames.",
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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>Isolate the network of the device from untrusted hosts, for example by a firewall or a separate network,. The remaining risk is that a host on the network that knows the MAC address of the IO-controller and the alarm references can still send forged alarm frames.</p>"
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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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} |