Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2024-03-06 10:59

Modified

2025-05-20 10:02

Summary

Presence of restricted personal Discourse messages may be leaked if tagged with a tag

Details

Discourse is an open-source messaging platform. In versions 3.0.1 and prior on the stable branch and versions 3.1.0.beta2 and prior on the beta and tests-passed branches, the count of personal messages displayed for a tag is a count of all personal messages regardless of whether the personal message is visible to a given user. As a result, any users can technically poll a sensitive tag to determine if a new personal message is created even if the user does not have access to the personal message.

In the patched versions, the count of personal messages tagged with a given tag is hidden by default. To revert to the old behaviour of displaying the count of personal messages for a given tag, an admin may enable the display_personal_messages_tag_counts site setting.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "discourse",
        "purl": "pkg:bitnami/discourse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.1"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-23935"
  ],
  "database_specific": {
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    "severity": "Medium"
  },
  "details": "Discourse is an open-source messaging platform. In versions 3.0.1 and prior on the `stable` branch and versions 3.1.0.beta2 and prior on the `beta` and `tests-passed` branches, the count of personal messages displayed for a tag is a count of all personal messages regardless of whether the personal message is visible to a given user. As a result, any users can technically poll a sensitive tag to determine if a new personal message is created even if the user does not have access to the personal message.\n\nIn the patched versions, the count of personal messages tagged with a given tag is hidden by default. To revert to the old behaviour of displaying the count of personal messages for a given tag, an admin may enable the `display_personal_messages_tag_counts` site setting.",
  "id": "BIT-discourse-2023-23935",
  "modified": "2025-05-20T10:02:07.006Z",
  "published": "2024-03-06T10:59:37.214Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/discourse/discourse/commit/f31f0b70f82c43d93220ce6fc0d4f57440452f37"
    },
    {
      "type": "WEB",
      "url": "https://github.com/discourse/discourse/security/advisories/GHSA-rf8j-mf8c-82v7"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-23935"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "Presence of restricted personal Discourse messages may be leaked if tagged with a tag "
}

CVE-2023-23935 (GCVE-0-2023-23935)

Vulnerability from cvelistv5 – Published: 2023-03-16 20:21 – Updated: 2025-02-25 14:54

Title

Presence of restricted personal Discourse messages may be leaked if tagged with a tag

Summary

Discourse is an open-source messaging platform. In versions 3.0.1 and prior on the `stable` branch and versions 3.1.0.beta2 and prior on the `beta` and `tests-passed` branches, the count of personal messages displayed for a tag is a count of all personal messages regardless of whether the personal message is visible to a given user. As a result, any users can technically poll a sensitive tag to determine if a new personal message is created even if the user does not have access to the personal message. In the patched versions, the count of personal messages tagged with a given tag is hidden by default. To revert to the old behaviour of displaying the count of personal messages for a given tag, an admin may enable the `display_personal_messages_tag_counts` site setting.

Severity ?

3.5 (Low)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

GitHub_M

References

URL

Tags

	https://github.com/discourse/discourse/security/a…	x_refsource_CONFIRM
	https://github.com/discourse/discourse/commit/f31…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	discourse	discourse	Affected: stable <= 3.0.1 Affected: beta <= 3.1.0.beta2 Affected: tests-passed <= 3.1.0.beta2

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
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        "providerMetadata": {
          "dateUpdated": "2024-08-02T10:49:07.633Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "name": "https://github.com/discourse/discourse/security/advisories/GHSA-rf8j-mf8c-82v7",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/discourse/discourse/security/advisories/GHSA-rf8j-mf8c-82v7"
          },
          {
            "name": "https://github.com/discourse/discourse/commit/f31f0b70f82c43d93220ce6fc0d4f57440452f37",
            "tags": [
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            "url": "https://github.com/discourse/discourse/commit/f31f0b70f82c43d93220ce6fc0d4f57440452f37"
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        "title": "CVE Program Container"
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-23935",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-25T14:29:07.994823Z",
                "version": "2.0.3"
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "vendor": "discourse",
          "versions": [
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              "status": "affected",
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            },
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.1"
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      "problemTypes": [
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          "descriptions": [
            {
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      "providerMetadata": {
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          "tags": [
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          ],
          "url": "https://github.com/discourse/discourse/security/advisories/GHSA-rf8j-mf8c-82v7"
        },
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      "title": "Presence of restricted personal Discourse messages may be leaked if tagged with a tag "
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    "dateReserved": "2023-01-19T21:12:31.361Z",
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}

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

Vulnerability from bitnami_vulndb

CVE-2023-23935 (GCVE-0-2023-23935)

Tags

Sightings

Nomenclature