GSD-2023-42452

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
Mastodon is a free, open-source social network server based on ActivityPub. In versions on the 4.x branch prior to versions 4.0.10, 4.2.8, and 4.2.0-rc2, under certain conditions, attackers can abuse the translation feature to bypass the server-side HTML sanitization, allowing unescaped HTML to execute in the browser. The impact is limited thanks to Mastodon's strict Content Security Policy, blocking inline scripts, etc. However a CSP bypass or loophole could be exploited to execute malicious XSS. Furthermore, it requires user interaction, as this can only occur upon clicking the “Translate” button on a malicious post. Versions 4.0.10, 4.2.8, and 4.2.0-rc2 contain a patch for this issue.
Aliases
Aliases
CVE-2023-42452
To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-42452",
    "id": "GSD-2023-42452"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-42452"
      ],
      "details": "Mastodon is a free, open-source social network server based on ActivityPub. In versions on the 4.x branch prior to versions 4.0.10, 4.2.8, and 4.2.0-rc2, under certain conditions, attackers can abuse the translation feature to bypass the server-side HTML sanitization, allowing unescaped HTML to execute in the browser. The impact is limited thanks to Mastodon\u0027s strict Content Security Policy, blocking inline scripts, etc. However a CSP bypass or loophole could be exploited to execute malicious XSS. Furthermore, it requires user interaction, as this can only occur upon clicking the \u201cTranslate\u201d button on a malicious post. Versions 4.0.10, 4.2.8, and 4.2.0-rc2 contain a patch for this issue.",
      "id": "GSD-2023-42452",
      "modified": "2023-12-13T01:20:21.949520Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2023-42452",
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      },
      "affects": {
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            {
              "product": {
                "product_data": [
                  {
                    "product_name": "mastodon",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 4.0.0, \u003c 4.0.10"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 4.1.0, \u003c 4.1.8"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 4.2.0-beta1, \u003c 4.2.0-rc2"
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          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "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",
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      "problemtype": {
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                "cweId": "CWE-79",
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              }
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            "name": "https://github.com/mastodon/mastodon/security/advisories/GHSA-2693-xr3m-jhqr",
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          },
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            "url": "https://github.com/mastodon/mastodon/commit/ff32475f5f4a84ebf9619e7eef5bf8b4c075d0e2"
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      },
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        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
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                "cpe_name": [],
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          "ID": "CVE-2023-42452"
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        "data_type": "CVE",
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        "description": {
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            }
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              "name": "https://github.com/mastodon/mastodon/security/advisories/GHSA-2693-xr3m-jhqr",
              "refsource": "MISC",
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      "impact": {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
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          },
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          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2023-09-22T17:12Z",
      "publishedDate": "2023-09-19T16:15Z"
    }
  }
}


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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.