GSD-2021-3312

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files from the server's file system by uploading a crafted SVG document.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-3312",
    "description": "An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files from the server\u0027s file system by uploading a crafted SVG document.",
    "id": "GSD-2021-3312"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3312"
      ],
      "details": "An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files from the server\u0027s file system by uploading a crafted SVG document.",
      "id": "GSD-2021-3312",
      "modified": "2023-12-13T01:23:34.118376Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-3312",
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      },
      "affects": {
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      "references": {
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            "name": "https://github.com/alkacon/opencms-core/releases",
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    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "[11.0.0,11.0.2]",
          "affected_versions": "All versions starting from 11.0.0 up to 11.0.2",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-611",
            "CWE-937"
          ],
          "date": "2021-10-18",
          "description": "An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files from the server\u0027s file system by uploading a crafted SVG document.",
          "fixed_versions": [
            "12.0.0"
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          "identifier": "CVE-2021-3312",
          "identifiers": [
            "GHSA-g6v7-vqhx-6v6c",
            "CVE-2021-3312"
          ],
          "not_impacted": "All versions before 11.0.0, all versions after 11.0.2",
          "package_slug": "maven/org.opencms/opencms-core",
          "pubdate": "2021-10-12",
          "solution": "Upgrade to version 12.0.0 or above.",
          "title": "Improper Restriction of XML External Entity Reference",
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                "cpe_name": [],
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        "references": {
          "reference_data": [
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2021-10-15T13:42Z",
      "publishedDate": "2021-10-08T15:15Z"
    }
  }
}


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Sightings

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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.


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