GSD-2022-31168

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
Zulip is an open source team chat tool. Due to an incorrect authorization check in Zulip Server 5.4 and earlier, a member of an organization could craft an API call that grants organization administrator privileges to one of their bots. The vulnerability is fixed in Zulip Server 5.5. Members who don’t own any bots, and lack permission to create them, can’t exploit the vulnerability. As a workaround for the vulnerability, an organization administrator can restrict the `Who can create bots` permission to administrators only, and change the ownership of existing bots.
Aliases
Aliases
CVE-2022-31168
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{
  "GSD": {
    "alias": "CVE-2022-31168",
    "description": "Zulip is an open source team chat tool. Due to an incorrect authorization check in Zulip Server 5.4 and earlier, a member of an organization could craft an API call that grants organization administrator privileges to one of their bots. The vulnerability is fixed in Zulip Server 5.5. Members who don\u2019t own any bots, and lack permission to create them, can\u2019t exploit the vulnerability. As a workaround for the vulnerability, an organization administrator can restrict the `Who can create bots` permission to administrators only, and change the ownership of existing bots.",
    "id": "GSD-2022-31168"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-31168"
      ],
      "details": "Zulip is an open source team chat tool. Due to an incorrect authorization check in Zulip Server 5.4 and earlier, a member of an organization could craft an API call that grants organization administrator privileges to one of their bots. The vulnerability is fixed in Zulip Server 5.5. Members who don\u2019t own any bots, and lack permission to create them, can\u2019t exploit the vulnerability. As a workaround for the vulnerability, an organization administrator can restrict the `Who can create bots` permission to administrators only, and change the ownership of existing bots.",
      "id": "GSD-2022-31168",
      "modified": "2023-12-13T01:19:17.642115Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2022-31168",
        "STATE": "PUBLIC",
        "TITLE": "Zulip Server insufficient authorization for changing bot roles"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "zulip",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003c 5.5"
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          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        }
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            "description": [
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                "value": "CWE-285: Improper Authorization"
              }
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          },
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-863: Incorrect Authorization"
              }
            ]
          }
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      "references": {
        "reference_data": [
          {
            "name": "https://github.com/zulip/zulip/security/advisories/GHSA-c3cp-ggg5-9xw5",
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          },
          {
            "name": "https://github.com/zulip/zulip/commit/751b2a03e565e9eb02ffe923b7c24ac73d604034",
            "refsource": "MISC",
            "url": "https://github.com/zulip/zulip/commit/751b2a03e565e9eb02ffe923b7c24ac73d604034"
          },
          {
            "name": "https://github.com/zulip/zulip/releases/tag/5.5",
            "refsource": "MISC",
            "url": "https://github.com/zulip/zulip/releases/tag/5.5"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-c3cp-ggg5-9xw5",
        "discovery": "UNKNOWN"
      }
    },
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                "cpe_name": [],
                "versionEndExcluding": "5.5",
                "vulnerable": true
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              "value": "Zulip is an open source team chat tool. Due to an incorrect authorization check in Zulip Server 5.4 and earlier, a member of an organization could craft an API call that grants organization administrator privileges to one of their bots. The vulnerability is fixed in Zulip Server 5.5. Members who don\u00e2\u20ac\u2122t own any bots, and lack permission to create them, can\u00e2\u20ac\u2122t exploit the vulnerability. As a workaround for the vulnerability, an organization administrator can restrict the `Who can create bots` permission to administrators only, and change the ownership of existing bots."
            }
          ]
        },
        "problemtype": {
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        "references": {
          "reference_data": [
            {
              "name": "https://github.com/zulip/zulip/releases/tag/5.5",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Third Party Advisory"
              ],
              "url": "https://github.com/zulip/zulip/releases/tag/5.5"
            },
            {
              "name": "https://github.com/zulip/zulip/commit/751b2a03e565e9eb02ffe923b7c24ac73d604034",
              "refsource": "MISC",
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-07-29T19:29Z",
      "publishedDate": "2022-07-22T13:15Z"
    }
  }
}


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  • 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.