Vulnerability-Lookup

GHSA-6399-J99H-665C

Vulnerability from github – Published: 2024-03-27 00:30 – Updated: 2024-03-27 00:30

Details

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.

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2017-20190"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-176"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-27T00:15:07Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-6399-j99h-665c",
  "modified": "2024-03-27T00:30:57Z",
  "published": "2024-03-27T00:30:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-20190"
    },
    {
      "type": "WEB",
      "url": "https://aka.ms/windowsbugbar"
    },
    {
      "type": "WEB",
      "url": "https://en.wikipedia.org/wiki/Zalgo_text"
    },
    {
      "type": "WEB",
      "url": "https://talk.dynalist.io/t/dynalist-is-vulnerable-to-zalgo/1234"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2017-20190 (GCVE-0-2017-20190)

Vulnerability from cvelistv5 – Published: 2024-03-26 00:00 – Updated: 2024-08-08 18:54 Disputed

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://talk.dynalist.io/t/dynalist-is-vulnerable…
	https://en.wikipedia.org/wiki/Zalgo_text
	https://aka.ms/windowsbugbar

Show details on NVD website

JSON

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{
  "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"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-6399-J99H-665C

CVE-2017-20190 (GCVE-0-2017-20190)

Tags

Sightings

Nomenclature