ghsa-7g54-vgp6-jj5w
Vulnerability from github
Published
2022-05-17 02:26
Modified
2022-11-03 20:48
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
XML External Entity Reference in Apache Sling
Details

In the XSS Protection API module before 1.0.12 in Apache Sling, the method XSS.getValidXML() uses an insecure SAX parser to validate the input string, which allows for XXE attacks in all scripts which use this method to validate user input, potentially allowing an attacker to read sensitive data on the filesystem, perform same-site-request-forgery (SSRF), port-scanning behind the firewall or DoS the application.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.sling:org.apache.sling.xss"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.sling:org.apache.sling.xss.compat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2016-6798"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-611"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-11-03T20:48:21Z",
    "nvd_published_at": "2017-07-19T15:29:00Z",
    "severity": "CRITICAL"
  },
  "details": "In the XSS Protection API module before 1.0.12 in Apache Sling, the method XSS.getValidXML() uses an insecure SAX parser to validate the input string, which allows for XXE attacks in all scripts which use this method to validate user input, potentially allowing an attacker to read sensitive data on the filesystem, perform same-site-request-forgery (SSRF), port-scanning behind the firewall or DoS the application.",
  "id": "GHSA-7g54-vgp6-jj5w",
  "modified": "2022-11-03T20:48:21Z",
  "published": "2022-05-17T02:26:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-6798"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/sling-org-apache-sling-xss/commit/de32b144ad2be3367559f6184d560db42a220529"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jensdietrich/xshady-release/tree/main/CVE-2016-6798"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/b72c3a511592ec70729b3ec2d29302b6ce87bbeab62d4745617a6bd0@%3Cdev.sling.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/99873"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "XML External Entity Reference in Apache Sling"
}


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