gsd-2015-5312
Vulnerability from gsd
Modified
2015-12-15 00:00
Details
Nokogiri version 1.6.7.1 has been released, pulling in several upstream patches to the vendored libxml2 to address the following CVEs: CVE-2015-5312 CVSS v2 Base Score: 7.1 (HIGH) The xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.3 does not properly prevent entity expansion, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data, a different vulnerability than CVE-2014-3660. CVE-2015-7497 CVSS v2 Base Score: 5.0 (MEDIUM) Heap-based buffer overflow in the xmlDictComputeFastQKey function in dict.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors. CVE-2015-7498 CVSS v2 Base Score: 5.0 (MEDIUM) Heap-based buffer overflow in the xmlParseXmlDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors related to extracting errors after an encoding conversion failure. CVE-2015-7499 CVSS v2 Base Score: 5.0 (MEDIUM) Heap-based buffer overflow in the xmlGROW function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive process memory information via unspecified vectors. CVE-2015-7500 CVSS v2 Base Score: 5.0 (MEDIUM) The xmlParseMisc function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service (out-of-bounds heap read) via unspecified vectors related to incorrect entities boundaries and start tags. CVE-2015-8241 CVSS v2 Base Score: 6.4 (MEDIUM) The xmlNextChar function in libxml2 2.9.2 does not properly check the state, which allows context-dependent attackers to cause a denial of service (heap-based buffer over-read and application crash) or obtain sensitive information via crafted XML data. CVE-2015-8242 CVSS v2 Base Score: 5.8 (MEDIUM) The xmlSAX2TextNode function in SAX2.c in the push interface in the HTML parser in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service (stack-based buffer over-read and application crash) or obtain sensitive information via crafted XML data. CVE-2015-8317 CVSS v2 Base Score: 5.0 (MEDIUM) The xmlParseXMLDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to obtain sensitive information via an (1) unterminated encoding value or (2) incomplete XML declaration in XML data, which triggers an out-of-bounds heap read.
Aliases
Aliases
CVE-2015-5312


To clipboard 

{
  "GSD": {
    "alias": "CVE-2015-5312",
    "description": "The xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.3 does not properly prevent entity expansion, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data, a different vulnerability than CVE-2014-3660.",
    "id": "GSD-2015-5312",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-5312.html",
      "https://www.debian.org/security/2015/dsa-3430",
      "https://access.redhat.com/errata/RHSA-2016:1089",
      "https://access.redhat.com/errata/RHSA-2015:2550",
      "https://access.redhat.com/errata/RHSA-2015:2549",
      "https://ubuntu.com/security/CVE-2015-5312",
      "https://advisories.mageia.org/CVE-2015-5312.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2015-5312.html",
      "https://linux.oracle.com/cve/CVE-2015-5312.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "nokogiri",
            "purl": "pkg:gem/nokogiri"
          }
        }
      ],
      "aliases": [
        "CVE-2015-5312",
        "GHSA-xjqg-9jvg-fgx2"
      ],
      "details": "Nokogiri version 1.6.7.1 has been released, pulling in several upstream\npatches to the vendored libxml2 to address the following CVEs:\n\nCVE-2015-5312\nCVSS v2 Base Score: 7.1 (HIGH)\nThe xmlStringLenDecodeEntities function in parser.c in libxml2\nbefore 2.9.3 does not properly prevent entity expansion, which\nallows context-dependent attackers to cause a denial of\nservice (CPU consumption) via crafted XML data, a different\nvulnerability than CVE-2014-3660.\n\nCVE-2015-7497\nCVSS v2 Base Score: 5.0 (MEDIUM)\nHeap-based buffer overflow in the xmlDictComputeFastQKey\nfunction in dict.c in libxml2 before 2.9.3 allows\ncontext-dependent attackers to cause a denial of service via\nunspecified vectors.\n\nCVE-2015-7498\nCVSS v2 Base Score: 5.0 (MEDIUM)\nHeap-based buffer overflow in the xmlParseXmlDecl function in\nparser.c in libxml2 before 2.9.3 allows context-dependent\nattackers to cause a denial of service via unspecified vectors\nrelated to extracting errors after an encoding conversion\nfailure.\n\nCVE-2015-7499\nCVSS v2 Base Score: 5.0 (MEDIUM)\nHeap-based buffer overflow in the xmlGROW function in parser.c\nin libxml2 before 2.9.3 allows context-dependent attackers to\nobtain sensitive process memory information via unspecified\nvectors.\n\nCVE-2015-7500\nCVSS v2 Base Score: 5.0 (MEDIUM)\nThe xmlParseMisc function in parser.c in libxml2 before 2.9.3\nallows context-dependent attackers to cause a denial of\nservice (out-of-bounds heap read) via unspecified vectors\nrelated to incorrect entities boundaries and start tags.\n\nCVE-2015-8241\nCVSS v2 Base Score: 6.4 (MEDIUM)\nThe xmlNextChar function in libxml2 2.9.2 does not properly\ncheck the state, which allows context-dependent attackers to\ncause a denial of service (heap-based buffer over-read and\napplication crash) or obtain sensitive information via crafted\nXML data.\n\nCVE-2015-8242\nCVSS v2 Base Score: 5.8 (MEDIUM)\nThe xmlSAX2TextNode function in SAX2.c in the push interface in\nthe HTML parser in libxml2 before 2.9.3 allows\ncontext-dependent attackers to cause a denial of\nservice (stack-based buffer over-read and application crash) or\nobtain sensitive information via crafted XML data.\n\nCVE-2015-8317\nCVSS v2 Base Score: 5.0 (MEDIUM)\nThe xmlParseXMLDecl function in parser.c in libxml2 before\n2.9.3 allows context-dependent attackers to obtain sensitive\ninformation via an (1) unterminated encoding value or (2)\nincomplete XML declaration in XML data, which triggers an\nout-of-bounds heap read.\n",
      "id": "GSD-2015-5312",
      "modified": "2015-12-15T00:00:00.000Z",
      "published": "2015-12-15T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://groups.google.com/forum/#!topic/ruby-security-ann/aSbgDiwb24s"
        },
        {
          "type": "WEB",
          "url": "https://github.com/sparklemotion/nokogiri/pull/1378"
        },
        {
          "type": "WEB",
          "url": "https://github.com/sparklemotion/nokogiri/commit/4205af1a2a546f79d1b48df2ad8b27299c0099c5"
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        "CVE-2015-7498",
        "CVE-2015-7499",
        "CVE-2015-7500",
        "CVE-2015-8241",
        "CVE-2015-8242",
        "CVE-2015-8317"
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      "schema_version": "1.4.0",
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          "type": "CVSS_V2"
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      "description": "Nokogiri version 1.6.7.1 has been released, pulling in several upstream\npatches to the vendored libxml2 to address the following CVEs:\n\nCVE-2015-5312\nCVSS v2 Base Score: 7.1 (HIGH)\nThe xmlStringLenDecodeEntities function in parser.c in libxml2\nbefore 2.9.3 does not properly prevent entity expansion, which\nallows context-dependent attackers to cause a denial of\nservice (CPU consumption) via crafted XML data, a different\nvulnerability than CVE-2014-3660.\n\nCVE-2015-7497\nCVSS v2 Base Score: 5.0 (MEDIUM)\nHeap-based buffer overflow in the xmlDictComputeFastQKey\nfunction in dict.c in libxml2 before 2.9.3 allows\ncontext-dependent attackers to cause a denial of service via\nunspecified vectors.\n\nCVE-2015-7498\nCVSS v2 Base Score: 5.0 (MEDIUM)\nHeap-based buffer overflow in the xmlParseXmlDecl function in\nparser.c in libxml2 before 2.9.3 allows context-dependent\nattackers to cause a denial of service via unspecified vectors\nrelated to extracting errors after an encoding conversion\nfailure.\n\nCVE-2015-7499\nCVSS v2 Base Score: 5.0 (MEDIUM)\nHeap-based buffer overflow in the xmlGROW function in parser.c\nin libxml2 before 2.9.3 allows context-dependent attackers to\nobtain sensitive process memory information via unspecified\nvectors.\n\nCVE-2015-7500\nCVSS v2 Base Score: 5.0 (MEDIUM)\nThe xmlParseMisc function in parser.c in libxml2 before 2.9.3\nallows context-dependent attackers to cause a denial of\nservice (out-of-bounds heap read) via unspecified vectors\nrelated to incorrect entities boundaries and start tags.\n\nCVE-2015-8241\nCVSS v2 Base Score: 6.4 (MEDIUM)\nThe xmlNextChar function in libxml2 2.9.2 does not properly\ncheck the state, which allows context-dependent attackers to\ncause a denial of service (heap-based buffer over-read and\napplication crash) or obtain sensitive information via crafted\nXML data.\n\nCVE-2015-8242\nCVSS v2 Base Score: 5.8 (MEDIUM)\nThe xmlSAX2TextNode function in SAX2.c in the push interface in\nthe HTML parser in libxml2 before 2.9.3 allows\ncontext-dependent attackers to cause a denial of\nservice (stack-based buffer over-read and application crash) or\nobtain sensitive information via crafted XML data.\n\nCVE-2015-8317\nCVSS v2 Base Score: 5.0 (MEDIUM)\nThe xmlParseXMLDecl function in parser.c in libxml2 before\n2.9.3 allows context-dependent attackers to obtain sensitive\ninformation via an (1) unterminated encoding value or (2)\nincomplete XML declaration in XML data, which triggers an\nout-of-bounds heap read.\n",
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          "2015-7499",
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          "2015-8241",
          "2015-8242",
          "2015-8317"
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          "https://github.com/sparklemotion/nokogiri/commit/4205af1a2a546f79d1b48df2ad8b27299c0099c5"
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      "title": "Nokogiri gem contains several vulnerabilities in libxml2",
      "unaffected_versions": [
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      "url": "https://groups.google.com/forum/#!topic/ruby-security-ann/aSbgDiwb24s"
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          "affected_versions": "All versions starting from 1.6.0.rc1 before 1.6.7.1",
          "credit": "Lars Kanis",
          "cvss_v2": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "cwe_ids": [
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            "CWE-399",
            "CWE-937"
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          "date": "2019-03-08",
          "description": "Several vulnerabilities were discovered in the libxml2 library that this package gem depends on.",
          "fixed_versions": [
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          ],
          "identifier": "CVE-2015-5312",
          "identifiers": [
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          "not_impacted": "All versions before 1.6.0.rc1, all versions starting from 1.6.7.1",
          "package_slug": "gem/nokogiri",
          "pubdate": "2015-12-15",
          "solution": "Upgrade to version 1.6.7.1 or above.",
          "title": "Vulnerabilities in libxml2",
          "urls": [
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          "uuid": "1eafa71e-c497-4a77-a6a9-c81ab5423a5f"
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        {
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          "affected_versions": "All versions up to 2.9.2",
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          "cwe_ids": [
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          "date": "2019-03-08",
          "description": "The xmlStringLenDecodeEntities function in parser.c in libxml2 does not properly prevent entity expansion, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data, a different vulnerability than CVE-2014-3660.",
          "fixed_versions": [],
          "identifier": "CVE-2015-5312",
          "identifiers": [
            "CVE-2015-5312"
          ],
          "not_impacted": "",
          "package_slug": "nuget/libxml2",
          "pubdate": "2015-12-15",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Uncontrolled Resource Consumption",
          "urls": [
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          "uuid": "22e23254-0e4b-4c40-8b5d-1f401479b54d"
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              "tags": [],
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            },
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              "refsource": "GENTOO",
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              "url": "https://security.gentoo.org/glsa/201701-37"
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        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2019-03-08T16:06Z",
      "publishedDate": "2015-12-15T21:59Z"
    }
  }
}


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