FKIE_CVE-2021-22886

Vulnerability from fkie_nvd - Published: 2021-03-26 19:15 - Updated: 2024-11-21 05:50
Severity
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 is vulnerable to persistent cross-site scripting (XSS) using nested markdown tags allowing a remote attacker to inject arbitrary JavaScript in a message. This flaw leads to arbitrary file read and RCE on Rocket.Chat desktop app.
References
support@hackerone.comhttps://docs.rocket.chat/guides/security/security-updatesVendor Advisory
support@hackerone.comhttps://github.com/RocketChat/Rocket.Chat/pull/20430Patch, Third Party Advisory
support@hackerone.comhttps://hackerone.com/reports/1014459Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://docs.rocket.chat/guides/security/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RocketChat/Rocket.Chat/pull/20430Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/1014459Third Party Advisory
Impacted products
Vendor Product Version
rocket.chat rocket.chat *
rocket.chat rocket.chat *
rocket.chat rocket.chat *
rocket.chat rocket.chat 3.11.0
rocket.chat rocket.chat 3.11.0
rocket.chat rocket.chat 3.11.0
rocket.chat rocket.chat 3.11.0
rocket.chat rocket.chat 3.11.0
rocket.chat rocket.chat 3.11.0
rocket.chat rocket.chat 3.11.0
rocket.chat rocket.chat 3.11.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "86A30DEE-F0BD-42BD-8BE7-EAFC4EB83A94",
              "versionEndExcluding": "3.8.8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A5B4CA06-527F-4600-A11A-ABFA54D754C8",
              "versionEndExcluding": "3.9.7",
              "versionStartIncluding": "3.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D9EFC543-2F10-4521-9814-ABBD237364EB",
              "versionEndExcluding": "3.10.5",
              "versionStartIncluding": "3.10.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc0:*:*:*:*:*:*",
              "matchCriteriaId": "894B212B-12E9-49D0-9DCC-A8DA2BE98FCD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "B996994C-FEC5-4524-94F4-E8F7CD666BC7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "506868F8-3FEE-478E-BAA2-889C53A79977",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "49553F24-2CC0-48E6-BA55-4CE0283C1E6A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "C4B247DC-ECB0-4859-8F6D-6CAA2C01B57E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc5:*:*:*:*:*:*",
              "matchCriteriaId": "B3962CCC-17F4-4F4B-AE82-A53DB5ED19A5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc6:*:*:*:*:*:*",
              "matchCriteriaId": "AA4771F7-A143-44C9-8FED-B9111C22D058",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc7:*:*:*:*:*:*",
              "matchCriteriaId": "6CA36B0C-3A4D-44EA-BAB8-A9B2D7F672D2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 is vulnerable to persistent cross-site scripting (XSS) using nested markdown tags allowing a remote attacker to inject arbitrary JavaScript in a message. This flaw leads to arbitrary file read and RCE on Rocket.Chat desktop app."
    },
    {
      "lang": "es",
      "value": "Rocket.Chat versiones anteriores a 3.11, 3.10.5, 3.9.7, 3.8.8, es vulnerable a ataques de tipo cross-site scripting (XSS) persistente que usan etiquetas markdown anidadas que permiten a un atacante remoto inyectar JavaScript arbitrario en un mensaje.\u0026#xa0;Este fallo conlleva a una lectura de archivos arbitraria y una RCE en la aplicaci\u00f3n de escritorio Rocket.Chat."
    }
  ],
  "id": "CVE-2021-22886",
  "lastModified": "2024-11-21T05:50:50.503",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-03-26T19:15:11.913",
  "references": [
    {
      "source": "support@hackerone.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://docs.rocket.chat/guides/security/security-updates"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/RocketChat/Rocket.Chat/pull/20430"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/1014459"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://docs.rocket.chat/guides/security/security-updates"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/RocketChat/Rocket.Chat/pull/20430"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/1014459"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.