171 lines
6.6 KiB
JSON
171 lines
6.6 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-23567",
|
|
"assignerOrgId": "13430f76-86eb-43b2-a71c-82c956ef31b6",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "TV",
|
|
"dateReserved": "2026-01-14T13:54:40.322Z",
|
|
"datePublished": "2026-01-29T08:47:13.169Z",
|
|
"dateUpdated": "2026-01-29T16:44:12.331Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"affected": [
|
|
{
|
|
"defaultStatus": "unaffected",
|
|
"modules": [
|
|
"Content Distribution Service",
|
|
"NomadBranch.exe"
|
|
],
|
|
"platforms": [
|
|
"Windows"
|
|
],
|
|
"product": "DEX",
|
|
"vendor": "TeamViewer",
|
|
"versions": [
|
|
{
|
|
"lessThan": "26.1",
|
|
"status": "affected",
|
|
"version": "0",
|
|
"versionType": "custom"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"lang": "en",
|
|
"type": "finder",
|
|
"value": "Threat Hunt Team of Bank of America"
|
|
}
|
|
],
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"supportingMedia": [
|
|
{
|
|
"base64": false,
|
|
"type": "text/html",
|
|
"value": "An integer underflow in the UDP command handler of the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to trigger a heap-based buffer overflow and cause a denial-of-service (service crash) via specially crafted UDP packets."
|
|
}
|
|
],
|
|
"value": "An integer underflow in the UDP command handler of the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to trigger a heap-based buffer overflow and cause a denial-of-service (service crash) via specially crafted UDP packets."
|
|
}
|
|
],
|
|
"impacts": [
|
|
{
|
|
"capecId": "CAPEC-100",
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "CAPEC-100 Overflow Buffers"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"attackComplexity": "LOW",
|
|
"attackVector": "ADJACENT_NETWORK",
|
|
"availabilityImpact": "HIGH",
|
|
"baseScore": 6.5,
|
|
"baseSeverity": "MEDIUM",
|
|
"confidentialityImpact": "NONE",
|
|
"integrityImpact": "NONE",
|
|
"privilegesRequired": "NONE",
|
|
"scope": "UNCHANGED",
|
|
"userInteraction": "NONE",
|
|
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
|
|
"version": "3.1"
|
|
},
|
|
"format": "CVSS",
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "GENERAL"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"cweId": "CWE-122",
|
|
"description": "CWE-122 Heap-based Buffer Overflow",
|
|
"lang": "en",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"providerMetadata": {
|
|
"orgId": "13430f76-86eb-43b2-a71c-82c956ef31b6",
|
|
"shortName": "TV",
|
|
"dateUpdated": "2026-01-29T08:47:13.169Z"
|
|
},
|
|
"references": [
|
|
{
|
|
"url": "https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1001/"
|
|
}
|
|
],
|
|
"solutions": [
|
|
{
|
|
"lang": "en",
|
|
"supportingMedia": [
|
|
{
|
|
"base64": false,
|
|
"type": "text/html",
|
|
"value": "Update the TeamViewer DEX Client (1E Client) to the latest available version."
|
|
}
|
|
],
|
|
"value": "Update the TeamViewer DEX Client (1E Client) to the latest available version."
|
|
}
|
|
],
|
|
"source": {
|
|
"discovery": "UNKNOWN"
|
|
},
|
|
"title": "Integer underflow in Content Distribution Service UDP handler",
|
|
"x_generator": {
|
|
"engine": "Vulnogram 0.5.0"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-01-29T15:56:32.513279Z",
|
|
"id": "CVE-2026-23567",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"role": "CISA Coordinator",
|
|
"version": "2.0.3"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-01-29T16:44:12.331Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |