205 lines
8.3 KiB
JSON
205 lines
8.3 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-97631",
|
|
"assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "TianoCore",
|
|
"dateReserved": "2026-09-24T16:56:45.359Z",
|
|
"datePublished": "2026-10-22T16:32:27.619Z",
|
|
"dateUpdated": "2026-10-30T19:34:40.851Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
|
|
"shortName": "TianoCore",
|
|
"dateUpdated": "2026-10-22T16:37:13.437Z"
|
|
},
|
|
"title": "Pre-boot RCE in EDK II PXE driver",
|
|
"datePublic": "2026-10-22T16:32:00.000Z",
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"cweId": "CWE-120",
|
|
"description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"cweId": "CWE-131",
|
|
"description": "CWE-131 Incorrect calculation of buffer size",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"cweId": "CWE-787",
|
|
"description": "CWE-787 Out-of-bounds write",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"vendor": "TianoCore",
|
|
"product": "EDK2",
|
|
"packageName": "NetworkPkg",
|
|
"versions": [
|
|
{
|
|
"status": "affected",
|
|
"version": "0",
|
|
"lessThanOrEqual": "edk2-stable202608",
|
|
"versionType": "custom"
|
|
}
|
|
],
|
|
"defaultStatus": "unaffected"
|
|
}
|
|
],
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "EDK2 contains a vulnerability in BIOS where a user may cause “Out-of-bounds\nWrite”, Classic\nBuffer Overflow, and “Incorrect Calculation of Buffer Size” by remote access. Successful exploitation of this vulnerability\ncan lead to arbitrary\ncode execution. It could also impact\nConfidentiality,\nIntegrity,\nand Availability.",
|
|
"supportingMedia": [
|
|
{
|
|
"type": "text/html",
|
|
"base64": false,
|
|
"value": "<p>EDK2 contains a vulnerability in BIOS where a user may cause “Out-of-bounds\nWrite”, Classic\nBuffer Overflow, and “Incorrect Calculation of Buffer Size” by remote access. Successful exploitation of this vulnerability\ncan lead to arbitrary\ncode execution. It could also impact\nConfidentiality,\nIntegrity,\nand Availability.</p>"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://github.com/tianocore/edk2/security/advisories/GHSA-99cj-7hg9-mp4m"
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"format": "CVSS",
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "GENERAL"
|
|
}
|
|
],
|
|
"cvssV4_0": {
|
|
"attackVector": "NETWORK",
|
|
"attackComplexity": "LOW",
|
|
"attackRequirements": "PRESENT",
|
|
"privilegesRequired": "NONE",
|
|
"userInteraction": "NONE",
|
|
"vulnConfidentialityImpact": "HIGH",
|
|
"subConfidentialityImpact": "HIGH",
|
|
"vulnIntegrityImpact": "HIGH",
|
|
"subIntegrityImpact": "HIGH",
|
|
"vulnAvailabilityImpact": "HIGH",
|
|
"subAvailabilityImpact": "HIGH",
|
|
"exploitMaturity": "NOT_DEFINED",
|
|
"Safety": "NOT_DEFINED",
|
|
"Automatable": "NOT_DEFINED",
|
|
"Recovery": "NOT_DEFINED",
|
|
"valueDensity": "NOT_DEFINED",
|
|
"vulnerabilityResponseEffort": "NOT_DEFINED",
|
|
"providerUrgency": "NOT_DEFINED",
|
|
"version": "4.0",
|
|
"baseSeverity": "CRITICAL",
|
|
"baseScore": 9.5,
|
|
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
|
|
}
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Alex Matrosov (Anthropic)",
|
|
"type": "finder"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "Dan Holmes-Mitra (Google)",
|
|
"type": "finder"
|
|
}
|
|
],
|
|
"source": {
|
|
"discovery": "UNKNOWN"
|
|
},
|
|
"x_generator": {
|
|
"engine": "Vulnogram 1.0.5"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"providerMetadata": {
|
|
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
|
|
"shortName": "CVE",
|
|
"dateUpdated": "2026-10-28T16:06:34.929Z"
|
|
},
|
|
"references": [
|
|
{
|
|
"url": "https://arstechnica.com/security/2026/10/code-execution-flaw-in-uefi-firmware-threatens-most-servers-on-planet-earth/"
|
|
},
|
|
{
|
|
"url": "https://news.ycombinator.com/item?id=50265393"
|
|
},
|
|
{
|
|
"url": "https://github.com/microsoft/mu_basecore/pull/1990"
|
|
},
|
|
{
|
|
"url": "https://github.com/microsoft/mu_basecore/pull/1989"
|
|
},
|
|
{
|
|
"url": "http://www.openwall.com/lists/oss-security/2026/10/28/4"
|
|
}
|
|
],
|
|
"title": "CVE Program Container",
|
|
"x_generator": {
|
|
"engine": "ADPogram 0.0.1"
|
|
}
|
|
},
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-10-30T19:34:29.002368Z",
|
|
"id": "CVE-2026-97631",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"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": "2026-10-30T19:34:40.851Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |