186 lines
7.4 KiB
JSON
186 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-2026-91948",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-09-15T11:07:01.913Z",
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"datePublished": "2026-09-15T15:18:06.465Z",
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"dateUpdated": "2026-09-17T11:59:33.144Z"
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},
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"containers": {
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"dateUpdated": "2026-09-15T15:18:06.465Z"
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},
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"datePublic": "2026-09-01T00:00:00.000Z",
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"title": "FreeRDP before 3.31.0 Out-of-bounds Write via SHOW_PROTOCOL",
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"descriptions": [
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{
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"lang": "en",
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"value": "FreeRDP versions before 3.31.0 contain an out-of-bounds write vulnerability in server-side static virtual channel handling when CHANNEL_OPTION_SHOW_PROTOCOL is enabled. Authenticated clients can queue oversized channel messages that cause buffer underflow and corrupt heap memory including live pointers, potentially enabling code execution."
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}
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],
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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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"description": "Integer Underflow (Wrap or Wraparound)",
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"cweId": "CWE-191",
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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": "FreeRDP",
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"product": "FreeRDP",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"versionType": "semver",
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"version": "3.28.0",
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"lessThan": "3.31.0",
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"status": "affected"
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},
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{
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"versionType": "semver",
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"version": "3.31.0",
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"status": "unaffected"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.28.0",
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"versionEndExcluding": "3.31.0"
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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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"metrics": [
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{
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"format": "CVSS",
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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 7.7,
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"baseSeverity": "HIGH"
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}
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},
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH"
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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/FreeRDP/FreeRDP/security/advisories/GHSA-9jcm-x588-gh26",
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"tags": [
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"vendor-advisory"
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],
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"name": "GitHub Security Advisory (GHSA-9jcm-x588-gh26)"
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},
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{
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"url": "https://github.com/FreeRDP/FreeRDP/commit/40d9202cd95551600c07437ce6bd5ecd7d31e57b",
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"tags": [
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"patch"
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],
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"name": "Patch Commit"
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},
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{
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"name": "VulnCheck Advisory: FreeRDP before 3.31.0 Out-of-bounds Write via SHOW_PROTOCOL",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/freerdp-before-3.31.0-out-of-bounds-write-via-show-protocol"
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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": "sam4k",
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"type": "reporter"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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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": "2026-09-16T03:56:31.656578Z",
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"id": "CVE-2026-91948",
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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": "2026-09-17T11:59:33.144Z"
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}
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}
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]
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}
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} |