fkie_cve-2003-1564
Vulnerability from fkie_nvd
Published
2003-12-31 05:00
Modified
2025-04-03 01:03
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, aka the "billion laughs attack."
References
cve@mitre.orghttp://mail.gnome.org/archives/xml/2008-August/msg00034.htmlMailing List, Patch
cve@mitre.orghttp://secunia.com/advisories/31868Broken Link
cve@mitre.orghttp://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2Issue Tracking
cve@mitre.orghttp://www.redhat.com/support/errata/RHSA-2008-0886.htmlBroken Link
cve@mitre.orghttp://www.stylusstudio.com/xmldev/200302/post20020.htmlBroken Link
cve@mitre.orghttp://xmlsoft.org/news.htmlRelease Notes
af854a3a-2127-422b-91ae-364da2661108http://mail.gnome.org/archives/xml/2008-August/msg00034.htmlMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/31868Broken Link
af854a3a-2127-422b-91ae-364da2661108http://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2Issue Tracking
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2008-0886.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108http://www.stylusstudio.com/xmldev/200302/post20020.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108http://xmlsoft.org/news.htmlRelease Notes
Impacted products
Vendor Product Version
xmlsoft libxml2 *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FFC0B453-3262-463A-9748-EC2863D58401",
              "versionEndExcluding": "2.5.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, aka the \"billion laughs attack.\""
    }
  ],
  "id": "CVE-2003-1564",
  "lastModified": "2025-04-03T01:03:51.193",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.3,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 10.0,
        "obtainAllPrivilege": true,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2003-12-31T05:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "http://mail.gnome.org/archives/xml/2008-August/msg00034.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://secunia.com/advisories/31868"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking"
      ],
      "url": "http://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.redhat.com/support/errata/RHSA-2008-0886.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.stylusstudio.com/xmldev/200302/post20020.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "http://xmlsoft.org/news.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "http://mail.gnome.org/archives/xml/2008-August/msg00034.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://secunia.com/advisories/31868"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking"
      ],
      "url": "http://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.redhat.com/support/errata/RHSA-2008-0886.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.stylusstudio.com/xmldev/200302/post20020.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "http://xmlsoft.org/news.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-776"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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