gsd-2021-28965
Vulnerability from gsd
Modified
2021-04-05 00:00
Details
When parsing and serializing a crafted XML document, REXML gem (including the one bundled with Ruby) can create a wrong XML document whose structure is different from the original one.
Aliases
Aliases
CVE-2021-28965


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-28965",
    "description": "The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing.",
    "id": "GSD-2021-28965",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-28965.html",
      "https://www.debian.org/security/2022/dsa-5066",
      "https://access.redhat.com/errata/RHSA-2022:0582",
      "https://access.redhat.com/errata/RHSA-2022:0581",
      "https://access.redhat.com/errata/RHSA-2021:2588",
      "https://access.redhat.com/errata/RHSA-2021:2587",
      "https://access.redhat.com/errata/RHSA-2021:2584",
      "https://access.redhat.com/errata/RHSA-2021:2230",
      "https://access.redhat.com/errata/RHSA-2021:2229",
      "https://access.redhat.com/errata/RHSA-2021:2104",
      "https://ubuntu.com/security/CVE-2021-28965",
      "https://advisories.mageia.org/CVE-2021-28965.html",
      "https://security.archlinux.org/CVE-2021-28965",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-28965.html",
      "https://linux.oracle.com/cve/CVE-2021-28965.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "rexml",
            "purl": "pkg:gem/rexml"
          }
        }
      ],
      "aliases": [
        "CVE-2021-28965",
        "GHSA-8cr8-4vfw-mr7h"
      ],
      "details": "When parsing and serializing a crafted XML document, REXML gem (including\nthe one bundled with Ruby) can create a wrong XML document whose structure\nis different from the original one.\n",
      "id": "GSD-2021-28965",
      "modified": "2021-04-05T00:00:00.000Z",
      "published": "2021-04-05T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965/"
        }
      ],
      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 7.5,
          "type": "CVSS_V3"
        }
      ],
      "summary": "XML round-trip vulnerability in REXML"
    }
  },
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      "date": "2021-04-05",
      "description": "When parsing and serializing a crafted XML document, REXML gem (including\nthe one bundled with Ruby) can create a wrong XML document whose structure\nis different from the original one.\n",
      "gem": "rexml",
      "ghsa": "8cr8-4vfw-mr7h",
      "patched_versions": [
        "~\u003e 3.1.9.1",
        "~\u003e 3.2.3.1",
        "\u003e= 3.2.5"
      ],
      "title": "XML round-trip vulnerability in REXML",
      "url": "https://www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965/"
    },
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          "affected_versions": "All versions before 3.2.5",
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          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2023-08-08",
          "description": "The REXML gem does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing.",
          "fixed_versions": [
            "3.2.5"
          ],
          "identifier": "CVE-2021-28965",
          "identifiers": [
            "CVE-2021-28965"
          ],
          "not_impacted": "All versions starting from 3.2.5",
          "package_slug": "gem/rexml",
          "pubdate": "2021-04-21",
          "solution": "Upgrade to version 3.2.5 or above.",
          "title": "Improper Restriction of XML External Entity Reference",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-28965"
          ],
          "uuid": "d3422009-4cd3-49e6-bc8a-b0581fed6612"
        }
      ]
    },
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          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
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            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
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        }
      },
      "lastModifiedDate": "2021-06-02T18:37Z",
      "publishedDate": "2021-04-21T07:15Z"
    }
  }
}


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