CVE-2016-3705 (GCVE-0-2016-3705)

Vulnerability from cvelistv5 – Published: 2016-05-17 14:00 – Updated: 2024-08-06 00:03
VLAI
Summary
The (1) xmlParserEntityCheck and (2) xmlParseAttValueComplex functions in parser.c in libxml2 2.9.3 do not properly keep track of the recursion depth, which allows context-dependent attackers to cause a denial of service (stack consumption and application crash) via a crafted XML document containing a large number of nested entity references.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
Date Public
2016-05-03 00:00
Show details on NVD website
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    "nvd": "{\"cve\":{\"id\":\"CVE-2016-3705\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2016-05-17T14:08:04.593\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The (1) xmlParserEntityCheck and (2) xmlParseAttValueComplex functions in parser.c in libxml2 2.9.3 do not properly keep track of the recursion depth, which allows context-dependent attackers to cause a denial of service (stack consumption and application crash) via a crafted XML document containing a large number of nested entity references.\"},{\"lang\":\"es\",\"value\":\"Las funciones (1) xmlParserEntityCheck y (2) xmlParseAttValueComplex en parser.c en libxml2 2.9.3 no hace seguimiento de manera adecuada de la profundidad de recursividad, lo que permite a atacantes dependientes del contexto provocar una denegaci\u00f3n de servicio (consumo de pila y ca\u00edda de la aplicaci\u00f3n) a trav\u00e9s de un documento XML manipulado que contiene un gran n\u00famero de referencias de entidades anidadas.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B5A6F2F3-4894-4392-8296-3B8DD2679084\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E88A537F-F4D0-46B9-9E37-965233C2A355\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.9.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B536BF1B-BC00-4BEB-AF50-5BEFF700389F\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:hp:icewall_federation_agent:3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B3261B40-5CBE-4AA6-990A-0A7BE96E5518\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:hp:icewall_file_manager:3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EDAB86FF-C732-4022-B1F4-D1CE28FBF0D0\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4863BE36-D16A-4D75-90D9-FD76DB5B48B7\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-05/msg00055.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-05/msg00127.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-2957.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://seclists.org/fulldisclosure/2016/May/10\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/89854\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2994-1\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2016:1292\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.gnome.org/show_bug.cgi?id=765207\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05157239\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10170\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://security.gentoo.org/glsa/201701-37\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://www.debian.org/security/2016/dsa-3593\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://www.tenable.com/security/tns-2016-18\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-05/msg00055.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-05/msg00127.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T07:21:31+00:00",
      "cve": "CVE-2016-3705",
      "id": "CVE-2016-3705",
      "initial_release_date": "2016-05-03T00:00:00+00:00",
      "product_status:fixed": "145",
      "product_status:known_affected": "3",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libxml2: stack overflow before detecting invalid XML file",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-3705.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-07-19T18:38:46Z",
      "cve": "CVE-2016-3705",
      "id": "CVE-2016-3705",
      "initial_release_date": "2023-02-15T05:04:21Z",
      "product_status:known_not_affected": "90",
      "product_status:recommended": "507",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-3705",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-3705.json",
      "version": "26"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.