github - ghsa-56w4-5538-8v8h

ghsa-56w4-5538-8v8h

Vulnerability from github

Published

2024-12-03 18:44

Modified

2024-12-03 18:44

Severity ?

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Summary

Synapse Matrix has a partial room state leak via Sliding Sync

Details

Impact

The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected.

Patches

Synapse version 1.120.1 fixes the problem.

Workarounds

Disable Sliding Sync.

References

https://github.com/matrix-org/matrix-spec-proposals/pull/4186 https://github.com/element-hq/synapse/blob/d80cd57c54427687afcb48740d99219c88a0fff1/synapse/config/experimental.py#L341-L344

For more information

If you have any questions or comments about this advisory, please email us at security at element.io.

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "matrix-synapse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.113.0rc1"
            },
            {
              "fixed": "1.120.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-53867"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-497"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-12-03T18:44:23Z",
    "nvd_published_at": "2024-12-03T17:15:12Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nThe Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected.\n\n### Patches\nSynapse version 1.120.1 fixes the problem.\n\n### Workarounds\nDisable Sliding Sync.\n\n### References\nhttps://github.com/matrix-org/matrix-spec-proposals/pull/4186\nhttps://github.com/element-hq/synapse/blob/d80cd57c54427687afcb48740d99219c88a0fff1/synapse/config/experimental.py#L341-L344\n\n### For more information\n\nIf you have any questions or comments about this advisory, please email us at [security at element.io](mailto:security@element.io).\n",
  "id": "GHSA-56w4-5538-8v8h",
  "modified": "2024-12-03T18:44:23Z",
  "published": "2024-12-03T18:44:23Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53867"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/4186"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/element-hq/synapse"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Synapse Matrix has a partial room state leak via Sliding Sync"
}

cve-2024-53867

Vulnerability from cvelistv5

Published

2024-12-03 16:52

Modified

2024-12-03 19:07

Severity ?

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Summary

Synapse is an open-source Matrix homeserver. The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. This vulnerability is fixed in 1.120.1.

References

▼	URL	Tags
	https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h	x_refsource_CONFIRM
	https://github.com/matrix-org/matrix-spec-proposals/pull/4186	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

element-hq

synapse

Version: >= 1.113.0rc1, < 1.120.1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-53867",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-12-03T19:07:06.315341Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-12-03T19:07:19.919Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "synapse",
          "vendor": "element-hq",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 1.113.0rc1, \u003c 1.120.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Synapse is an open-source Matrix homeserver. The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. This vulnerability is fixed in 1.120.1."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-497",
              "description": "CWE-497: Exposure of Sensitive System Information to an Unauthorized Control Sphere",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-03T16:52:01.596Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h"
        },
        {
          "name": "https://github.com/matrix-org/matrix-spec-proposals/pull/4186",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/4186"
        }
      ],
      "source": {
        "advisory": "GHSA-56w4-5538-8v8h",
        "discovery": "UNKNOWN"
      },
      "title": "Synapse Matrix has a partial room state leak via Sliding Sync"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-53867",
    "datePublished": "2024-12-03T16:52:01.596Z",
    "dateReserved": "2024-11-22T17:30:02.145Z",
    "dateUpdated": "2024-12-03T19:07:19.919Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

ghsa-56w4-5538-8v8h

Vulnerability from github

Impact

Patches

Workarounds

References

For more information

cve-2024-53867

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature