CVE-2025-5688 (GCVE-0-2025-5688)
Vulnerability from cvelistv5 – Published: 2025-06-04 17:09 – Updated: 2025-10-14 18:05
VLAI?
Summary
We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled.
Users should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.
Severity ?
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-5688",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-06-04T18:12:03.678492Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-06-04T18:18:46.071Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://github.com/FreeRTOS/FreeRTOS-Plus-TCP",
"defaultStatus": "unaffected",
"packageName": "FreeRTOS-Plus-TCP",
"product": "FreeRTOS",
"vendor": "Amazon",
"versions": [
{
"lessThan": "4.3.2",
"status": "affected",
"version": "2.3.4",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eWe have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled.\u003c/p\u003e\u003cp\u003e\u003cbr\u003eUsers should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes. \u003c/p\u003e\u003cbr\u003e"
}
],
"value": "We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled.\n\n\nUsers should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes."
}
],
"impacts": [
{
"capecId": "CAPEC-100",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-100: Overflow Buffers"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "LOCAL",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "CWE-787: Out-of-bounds Write",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-14T18:05:10.779Z",
"orgId": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
"shortName": "AMZN"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://aws.amazon.com/security/security-bulletins/AWS-2025-012/"
},
{
"tags": [
"patch"
],
"url": "https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.3.2"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-5x4f-fvv8-wr65"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Out of Bounds Write in FreeRTOS-Plus-TCP",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
"assignerShortName": "AMZN",
"cveId": "CVE-2025-5688",
"datePublished": "2025-06-04T17:09:54.718Z",
"dateReserved": "2025-06-04T15:11:43.065Z",
"dateUpdated": "2025-10-14T18:05:10.779Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-5688\",\"sourceIdentifier\":\"ff89ba41-3aa1-4d27-914a-91399e9639e5\",\"published\":\"2025-06-04T17:15:29.330\",\"lastModified\":\"2025-10-14T18:15:36.583\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled.\\n\\n\\nUsers should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.\"},{\"lang\":\"es\",\"value\":\"Hemos identificado un problema de desbordamiento de b\u00fafer que permite escrituras fuera de los l\u00edmites al procesar consultas LLMNR o mDNS con nombres DNS muy largos. Este problema solo afecta a los sistemas que utilizan el Esquema de Asignaci\u00f3n de B\u00fafer 1 con LLMNR o mDNS habilitados. Los usuarios deben actualizar a la \u00faltima versi\u00f3n y asegurarse de que cualquier c\u00f3digo derivado o bifurcado est\u00e9 parcheado para incorporar las nuevas correcciones.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"ff89ba41-3aa1-4d27-914a-91399e9639e5\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"PRESENT\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"ff89ba41-3aa1-4d27-914a-91399e9639e5\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"references\":[{\"url\":\"https://aws.amazon.com/security/security-bulletins/AWS-2025-012/\",\"source\":\"ff89ba41-3aa1-4d27-914a-91399e9639e5\"},{\"url\":\"https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.3.2\",\"source\":\"ff89ba41-3aa1-4d27-914a-91399e9639e5\"},{\"url\":\"https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-5x4f-fvv8-wr65\",\"source\":\"ff89ba41-3aa1-4d27-914a-91399e9639e5\"}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-5688\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-06-04T18:12:03.678492Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-06-04T18:12:05.388Z\"}}], \"cna\": {\"title\": \"Out of Bounds Write in FreeRTOS-Plus-TCP\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-100\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-100: Overflow Buffers\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 7.5, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Amazon\", \"product\": \"FreeRTOS\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.3.4\", \"lessThan\": \"4.3.2\", \"versionType\": \"semver\"}], \"packageName\": \"FreeRTOS-Plus-TCP\", \"collectionURL\": \"https://github.com/FreeRTOS/FreeRTOS-Plus-TCP\", \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://aws.amazon.com/security/security-bulletins/AWS-2025-012/\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.3.2\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-5x4f-fvv8-wr65\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled.\\n\\n\\nUsers should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eWe have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled.\u003c/p\u003e\u003cp\u003e\u003cbr\u003eUsers should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes. \u003c/p\u003e\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"CWE-787: Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"ff89ba41-3aa1-4d27-914a-91399e9639e5\", \"shortName\": \"AMZN\", \"dateUpdated\": \"2025-10-14T18:05:10.779Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-5688\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-14T18:05:10.779Z\", \"dateReserved\": \"2025-06-04T15:11:43.065Z\", \"assignerOrgId\": \"ff89ba41-3aa1-4d27-914a-91399e9639e5\", \"datePublished\": \"2025-06-04T17:09:54.718Z\", \"assignerShortName\": \"AMZN\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…