CVE-2013-0340 (GCVE-0-2013-0340)

Vulnerability from cvelistv5 – Published: 2014-01-21 18:00 – Updated: 2025-11-25 16:27
VLAI?
Summary
expat before version 2.4.0 does not properly handle entities expansion unless an application developer uses the XML_SetEntityDeclHandler function, which allows remote attackers to cause a denial of service (resource consumption), send HTTP requests to intranet servers, or read arbitrary files via a crafted XML document, aka an XML External Entity (XXE) issue. NOTE: it could be argued that because expat already provides the ability to disable external entity expansion, the responsibility for resolving this issue lies with application developers; according to this argument, this entry should be REJECTed, and each affected application would need its own CVE.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://openwall.com/lists/oss-security/2013/02/22/3 mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2013/04/12/6 mailing-listx_refsource_MLIST
http://www.osvdb.org/90634 vdb-entryx_refsource_OSVDB
http://securitytracker.com/id?1028213 vdb-entryx_refsource_SECTRACK
https://security.gentoo.org/glsa/201701-21 vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/bid/58233 vdb-entryx_refsource_BID
https://support.apple.com/kb/HT212805 x_refsource_CONFIRM
https://support.apple.com/kb/HT212804 x_refsource_CONFIRM
https://support.apple.com/kb/HT212807 x_refsource_CONFIRM
https://support.apple.com/kb/HT212819 x_refsource_CONFIRM
https://support.apple.com/kb/HT212814 x_refsource_CONFIRM
https://support.apple.com/kb/HT212815 x_refsource_CONFIRM
http://seclists.org/fulldisclosure/2021/Sep/33 mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/34 mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/40 mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/35 mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/38 mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Sep/39 mailing-listx_refsource_FULLDISC
https://lists.apache.org/thread.html/r41eca5f4f09… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rfb2c1933604… mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/10/07/4 mailing-listx_refsource_MLIST
http://seclists.org/fulldisclosure/2021/Oct/62 mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Oct/63 mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/Oct/61 mailing-listx_refsource_FULLDISC
https://github.com/libexpat/libexpat/blob/R_2_4_1…
Impacted products
Vendor Product Version
Affected: 0 , < 2.4.0 (semver)
Show details on NVD website
To clipboard 

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      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-611\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2013-0340\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2014-01-21T18:55:09.117\",\"lastModified\":\"2025-11-25T17:15:47.723\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"expat before version 2.4.0 does not properly handle entities expansion unless an application developer uses the XML_SetEntityDeclHandler function, which allows remote attackers to cause a denial of service (resource consumption), send HTTP requests to intranet servers, or read arbitrary files via a crafted XML document, aka an XML External Entity (XXE) issue.  NOTE: it could be argued that because expat already provides the ability to disable external entity expansion, the responsibility for resolving this issue lies with application developers; according to this argument, this entry should be REJECTed, and each affected application would need its own CVE.\"},{\"lang\":\"es\",\"value\":\"expat 2.1.0 y anteriores no maneja adecuadamente  entidades de expansi\u00f3n a menos que un desarrollador de aplicaciones use la funci\u00f3n XML_SetEntityDeclHandler, esto permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de recursos), enviar peticiones HTTP a los servidores de la intranet, o leer archivos arbitrarios a trav\u00e9s de un documento XML manipulado, tambi\u00e9n conocido como  problema XML External Entity (XXE) NOTA: se podr\u00eda argumentar que debido a que expat  ya ofrece la posibilidad de desactivar la expansi\u00f3n entidad externa, la responsabilidad de la soluci\u00f3n de este problema se encuentra con los 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  }
}


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Sightings

Author Source Type Date

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.