GHSA-6WFM-7HQX-39WG

Vulnerability from github – Published: 2022-04-29 01:28 – Updated: 2024-02-02 15:30
VLAI?
Details

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."

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2003-1564"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-776"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2003-12-31T05:00:00Z",
    "severity": "HIGH"
  },
  "details": "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": "GHSA-6wfm-7hqx-39wg",
  "modified": "2024-02-02T15:30:25Z",
  "published": "2022-04-29T01:28:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-1564"
    },
    {
      "type": "WEB",
      "url": "http://mail.gnome.org/archives/xml/2008-August/msg00034.html"
    },
    {
      "type": "WEB",
      "url": "http://secunia.com/advisories/31868"
    },
    {
      "type": "WEB",
      "url": "http://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2"
    },
    {
      "type": "WEB",
      "url": "http://www.redhat.com/support/errata/RHSA-2008-0886.html"
    },
    {
      "type": "WEB",
      "url": "http://www.stylusstudio.com/xmldev/200302/post20020.html"
    },
    {
      "type": "WEB",
      "url": "http://xmlsoft.org/news.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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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.
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  • 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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