143 lines
5.8 KiB
JSON
143 lines
5.8 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-71254",
|
|
"assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "TuranSec",
|
|
"dateReserved": "2026-08-05T11:43:52.777Z",
|
|
"datePublished": "2026-08-05T11:44:20.214Z",
|
|
"dateUpdated": "2026-08-10T11:46:13.975Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"title": "nanoMODBUS Server-Side Out-of-Bounds Write in handle_read_file_record()",
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "nanoMODBUS through v1.23.0 contains an out-of-bounds write in the Modbus server-side handle_read_file_record function (FC 0x14, Read File Record) in nanomodbus.c. The function validates that the total request size does not exceed 245 bytes and that each sub-request's record_length is at most 124, but it never validates the CUMULATIVE response size across all sub-requests before processing them.",
|
|
"supportingMedia": [
|
|
{
|
|
"type": "text/html",
|
|
"base64": false,
|
|
"value": "<p>nanoMODBUS through v1.23.0 contains an out-of-bounds write in the Modbus server-side handle_read_file_record function (FC 0x14, Read File Record) in nanomodbus.c. The function validates that the total request size does not exceed 245 bytes and that each sub-request's record_length is at most 124, but it never validates the CUMULATIVE response size across all sub-requests before processing them.</p>"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"description": "CWE-787",
|
|
"cweId": "CWE-787",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"vendor": "debevv",
|
|
"product": "nanoMODBUS",
|
|
"programFiles": [
|
|
"nanomodbus.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "0",
|
|
"lessThanOrEqual": "1.23.0",
|
|
"status": "affected",
|
|
"versionType": "semver"
|
|
}
|
|
],
|
|
"defaultStatus": "unaffected"
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"version": "3.1",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
|
|
"baseScore": 9.8,
|
|
"baseSeverity": "CRITICAL",
|
|
"attackVector": "NETWORK",
|
|
"attackComplexity": "LOW",
|
|
"privilegesRequired": "NONE",
|
|
"userInteraction": "NONE",
|
|
"scope": "UNCHANGED",
|
|
"confidentialityImpact": "HIGH",
|
|
"integrityImpact": "HIGH",
|
|
"availabilityImpact": "HIGH"
|
|
}
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://github.com/debevv/nanoMODBUS",
|
|
"tags": [
|
|
"third-party-advisory"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://github.com/debevv/nanoMODBUS/blob/master/nanomodbus.c",
|
|
"tags": [
|
|
"third-party-advisory"
|
|
]
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Shukhratbek Uraiimov",
|
|
"type": "finder"
|
|
}
|
|
],
|
|
"providerMetadata": {
|
|
"orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
|
|
"shortName": "TuranSec",
|
|
"dateUpdated": "2026-08-10T11:46:13.975Z"
|
|
},
|
|
"source": {
|
|
"discovery": "EXTERNAL"
|
|
},
|
|
"datePublic": "2026-08-05T11:44:20.214Z"
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-08-05T12:29:36.579901Z",
|
|
"id": "CVE-2026-71254",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "yes"
|
|
},
|
|
{
|
|
"Technical Impact": "total"
|
|
}
|
|
],
|
|
"role": "CISA Coordinator",
|
|
"version": "2.0.3"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-08-05T12:29:59.671Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |