CVE-2017-20190 (GCVE-0-2017-20190)
Vulnerability from cvelistv5 – Published: 2024-03-26 00:00 – Updated: 2024-08-08 18:54 Disputed
VLAI?
Summary
Some Microsoft technologies as used in Windows 8 through 11 allow a temporary client-side performance degradation during processing of multiple Unicode combining characters, aka a "Zalgo text" attack. NOTE: third parties dispute whether the computational cost of interpreting Unicode data should be considered a vulnerability.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T21:45:25.973Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://talk.dynalist.io/t/dynalist-is-vulnerable-to-zalgo/1234"
},
{
"tags": [
"x_transferred"
],
"url": "https://en.wikipedia.org/wiki/Zalgo_text"
},
{
"tags": [
"x_transferred"
],
"url": "https://aka.ms/windowsbugbar"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "windows",
"vendor": "microsoft",
"versions": [
{
"lessThanOrEqual": "11",
"status": "affected",
"version": "8",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2017-20190",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-04-15T16:50:02.920361Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-176",
"description": "CWE-176 Improper Handling of Unicode Encoding",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-08-08T18:54:20.251Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Some Microsoft technologies as used in Windows 8 through 11 allow a temporary client-side performance degradation during processing of multiple Unicode combining characters, aka a \"Zalgo text\" attack. NOTE: third parties dispute whether the computational cost of interpreting Unicode data should be considered a vulnerability."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-03-26T23:49:42.036779",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://talk.dynalist.io/t/dynalist-is-vulnerable-to-zalgo/1234"
},
{
"url": "https://en.wikipedia.org/wiki/Zalgo_text"
},
{
"url": "https://aka.ms/windowsbugbar"
}
],
"tags": [
"disputed"
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2017-20190",
"datePublished": "2024-03-26T00:00:00",
"dateReserved": "2024-03-26T00:00:00",
"dateUpdated": "2024-08-08T18:54:20.251Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2017-20190\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2024-03-27T00:15:07.580\",\"lastModified\":\"2024-11-21T03:22:50.817\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[{\"sourceIdentifier\":\"cve@mitre.org\",\"tags\":[\"disputed\"]}],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Some Microsoft technologies as used in Windows 8 through 11 allow a temporary client-side performance degradation during processing of multiple Unicode combining characters, aka a \\\"Zalgo text\\\" attack. NOTE: third parties dispute whether the computational cost of interpreting Unicode data should be considered a vulnerability.\"},{\"lang\":\"es\",\"value\":\"Algunas tecnolog\u00edas de Microsoft utilizadas en Windows 8 a 11 permiten una degradaci\u00f3n temporal del rendimiento del lado del cliente durante el procesamiento de m\u00faltiples caracteres combinados Unicode, tambi\u00e9n conocido como ataque de \\\"texto Zalgo\\\". NOTA: los terceros cuestionan si el costo computacional de interpretar los datos Unicode debe considerarse una vulnerabilidad.\"}],\"metrics\":{},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-176\"}]}],\"references\":[{\"url\":\"https://aka.ms/windowsbugbar\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://en.wikipedia.org/wiki/Zalgo_text\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://talk.dynalist.io/t/dynalist-is-vulnerable-to-zalgo/1234\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://aka.ms/windowsbugbar\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://en.wikipedia.org/wiki/Zalgo_text\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://talk.dynalist.io/t/dynalist-is-vulnerable-to-zalgo/1234\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://talk.dynalist.io/t/dynalist-is-vulnerable-to-zalgo/1234\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://en.wikipedia.org/wiki/Zalgo_text\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://aka.ms/windowsbugbar\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-05T21:45:25.973Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2017-20190\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-04-15T16:50:02.920361Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\"], \"vendor\": \"microsoft\", \"product\": \"windows\", \"versions\": [{\"status\": \"affected\", \"version\": \"8\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"11\"}], \"defaultStatus\": \"unknown\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-176\", \"description\": \"CWE-176 Improper Handling of Unicode Encoding\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-07-17T17:17:41.176Z\"}}], \"cna\": {\"tags\": [\"disputed\"], \"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"references\": [{\"url\": \"https://talk.dynalist.io/t/dynalist-is-vulnerable-to-zalgo/1234\"}, {\"url\": \"https://en.wikipedia.org/wiki/Zalgo_text\"}, {\"url\": \"https://aka.ms/windowsbugbar\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Some Microsoft technologies as used in Windows 8 through 11 allow a temporary client-side performance degradation during processing of multiple Unicode combining characters, aka a \\\"Zalgo text\\\" attack. NOTE: third parties dispute whether the computational cost of interpreting Unicode data should be considered a vulnerability.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2024-03-26T23:49:42.036779\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2017-20190\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-08T18:54:20.251Z\", \"dateReserved\": \"2024-03-26T00:00:00\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2024-03-26T00:00:00\", \"assignerShortName\": \"mitre\"}",
"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…