Vulnerability-Lookup

CVE-2016-4472 (GCVE-0-2016-4472)

Vulnerability from cvelistv5 – Published: 2016-06-30 17:00 – Updated: 2024-08-06 00:32

Summary

The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Assigner

redhat redhat root

References

7 references

URL	Tags
https://www.tenable.com/security/tns-2016-20	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1344251	x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-3013-1	vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/91528	vdb-entryx_refsource_BID
https://sourceforge.net/p/expat/code_git/ci/f0bec…	x_refsource_CONFIRM
https://security.gentoo.org/glsa/201701-21	vendor-advisoryx_refsource_GENTOO
https://kc.mcafee.com/corporate/index?page=conten…	x_refsource_CONFIRM

Date Public

2016-05-16 00:00

Show details on NVD website

JSON

To clipboard

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    "redhat_vex": {
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      "id": "CVE-2016-4472",
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      "product_status:known_affected": "25",
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      "product_status:under_investigation": "1",
      "source": "Red Hat CSAF VEX",
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}

WID-SEC-W-2025-0044

Vulnerability from csaf_certbund - Published: 2016-07-04 22:00 - Updated: 2025-07-31 22:00

Summary

expat: Schwachstelle ermöglicht Codeausführung

Severity

Hoch

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: Expat ist ein XML Parser, der in der Programmiersprache-C geschrieben ist.

Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in expat ausnutzen, um beliebigen Programmcode auszuführen oder einen Denial of Service Zustand herbeizuführen.

Betroffene Betriebssysteme: - Linux - UNIX

CVE-2016-4472

Affected products

Known affected 4 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Ubuntu Linux Ubuntu	`cpe:/o:canonical:ubuntu_linux:-`	—
Red Hat Fedora Red Hat	`cpe:/o:redhat:fedora:-`	—
Open Source expat Open Source	`cpe:/a:expat:expat:-`	—

References

7 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://bugzilla.redhat.com/show_bug.cgi?id=1344251	external
https://vuldb.com/de/?id.88546	external
https://web.nvd.nist.gov/view/vuln/detail?vulnId=…	external
https://www.suse.com/support/update/announcement/…	external
https://ubuntu.com/security/notices/USN-7199-1	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Expat ist ein XML Parser, der in der Programmiersprache-C geschrieben ist.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in expat ausnutzen, um beliebigen Programmcode auszuf\u00fchren oder einen Denial of Service Zustand herbeizuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2025-0044 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2016/wid-sec-w-2025-0044.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-0044 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0044"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla - Bug 1344251 vom 2016-07-04",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1344251"
      },
      {
        "category": "external",
        "summary": "Meldung auf vuldb.com - Vulnerability ID 88546 vom 2016-07-04",
        "url": "https://vuldb.com/de/?id.88546"
      },
      {
        "category": "external",
        "summary": "Eintrag im National Vulnerability Database vom 2016-07-01",
        "url": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4472"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:0497-1 vom 2020-02-27",
        "url": "https://www.suse.com/support/update/announcement/2020/suse-su-20200497-1.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-7199-1 vom 2025-01-13",
        "url": "https://ubuntu.com/security/notices/USN-7199-1"
      }
    ],
    "source_lang": "en-US",
    "title": "expat: Schwachstelle erm\u00f6glicht Codeausf\u00fchrung",
    "tracking": {
      "current_release_date": "2025-07-31T22:00:00.000+00:00",
      "generator": {
        "date": "2025-08-01T07:29:35.535+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.4.0"
        }
      },
      "id": "WID-SEC-W-2025-0044",
      "initial_release_date": "2016-07-04T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2016-07-04T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initial Release"
        },
        {
          "date": "2016-07-04T22:00:00.000+00:00",
          "number": "2",
          "summary": "Version nicht vorhanden"
        },
        {
          "date": "2020-02-26T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2025-01-12T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2025-07-31T22:00:00.000+00:00",
          "number": "5",
          "summary": "Referenz(en) aufgenommen:"
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "product_tree": {
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      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source expat",
            "product": {
              "name": "Open Source expat",
              "product_id": "T005560",
              "product_identification_helper": {
                "cpe": "cpe:/a:expat:expat:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Fedora",
            "product": {
              "name": "Red Hat Fedora",
              "product_id": "T007849",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2016-4472",
      "product_status": {
        "known_affected": [
          "T002207",
          "T000126",
          "T007849",
          "T005560"
        ]
      },
      "release_date": "2016-07-04T22:00:00.000+00:00",
      "title": "CVE-2016-4472"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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.
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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2016-4472 (GCVE-0-2016-4472)

WID-SEC-W-2025-0044

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Sightings

Nomenclature