GHSA-G6V7-VQHX-6V6C

Vulnerability from github – Published: 2021-10-12 17:23 – Updated: 2021-10-18 13:50
VLAI?
Summary
XML External Entity Reference in org.opencms:opencms-core
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.

Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 11.0.2"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "org.opencms:opencms-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "11.0.0"
            },
            {
              "fixed": "12.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-3312"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-611"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-10-11T18:55:10Z",
    "nvd_published_at": "2021-10-08T15:15:00Z",
    "severity": "MODERATE"
  },
  "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": "GHSA-g6v7-vqhx-6v6c",
  "modified": "2021-10-18T13:50:38Z",
  "published": "2021-10-12T17:23:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3312"
    },
    {
      "type": "WEB",
      "url": "https://github.com/alkacon/opencms-core/issues/721"
    },
    {
      "type": "WEB",
      "url": "https://github.com/alkacon/opencms-core/issues/725"
    },
    {
      "type": "WEB",
      "url": "https://github.com/alkacon/opencms-core/commit/92e035423aa6967822d343e54392d4291648c0ee"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/alkacon/opencms-core"
    },
    {
      "type": "WEB",
      "url": "https://github.com/alkacon/opencms-core/releases"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "XML External Entity Reference in org.opencms:opencms-core"
}


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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.