gsd-2017-18258
Vulnerability from gsd
Modified
2018-04-13 00:00
Details
The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file. References: - https://nvd.nist.gov/vuln/detail/CVE-2017-18258 - https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb - https://github.com/advisories/GHSA-882p-jqgm-f45g - https://kc.mcafee.com/corporate/index?page=content&id=SB10284 - https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html - https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html - https://security.netapp.com/advisory/ntap-20190719-0001/ - https://usn.ubuntu.com/3739-1/
Aliases
Aliases
CVE-2017-18258


To clipboard 

{
   GSD: {
      alias: "CVE-2017-18258",
      description: "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.",
      id: "GSD-2017-18258",
      references: [
         "https://www.suse.com/security/cve/CVE-2017-18258.html",
         "https://access.redhat.com/errata/RHBA-2020:1540",
         "https://access.redhat.com/errata/RHBA-2020:1539",
         "https://access.redhat.com/errata/RHSA-2020:1190",
         "https://access.redhat.com/errata/RHSA-2018:2486",
         "https://ubuntu.com/security/CVE-2017-18258",
         "https://security.archlinux.org/CVE-2017-18258",
         "https://alas.aws.amazon.com/cve/html/CVE-2017-18258.html",
         "https://linux.oracle.com/cve/CVE-2017-18258.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         affected: [
            {
               package: {
                  ecosystem: "RubyGems",
                  name: "nokogiri",
                  purl: "pkg:gem/nokogiri",
               },
            },
         ],
         aliases: [
            "CVE-2017-18258",
            "GHSA-882p-jqgm-f45g",
         ],
         details: "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial\nof service (memory consumption) via a crafted LZMA file, because the decoder functionality does\nnot restrict memory usage to what is required for a legitimate file.\n\nReferences:\n- https://nvd.nist.gov/vuln/detail/CVE-2017-18258\n- https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb\n- https://github.com/advisories/GHSA-882p-jqgm-f45g\n- https://kc.mcafee.com/corporate/index?page=content&id=SB10284\n- https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html\n- https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html\n- https://security.netapp.com/advisory/ntap-20190719-0001/\n- https://usn.ubuntu.com/3739-1/\n",
         id: "GSD-2017-18258",
         modified: "2018-04-13T00:00:00.000Z",
         published: "2018-04-13T00:00:00.000Z",
         references: [
            {
               type: "WEB",
               url: "https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb",
            },
         ],
         schema_version: "1.4.0",
         severity: [
            {
               score: 6.5,
               type: "CVSS_V3",
            },
         ],
         summary: "Moderate severity vulnerability that affects nokogiri",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "cve@mitre.org",
            ID: "CVE-2017-18258",
            STATE: "PUBLIC",
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         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "n/a",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "n/a",
                                    },
                                 ],
                              },
                           },
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                  value: "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.",
               },
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                        value: "n/a",
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         },
         references: {
            reference_data: [
               {
                  name: "[debian-lts-announce] 20180927 [SECURITY] [DLA 1524-1] libxml2 security update",
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                  refsource: "CONFIRM",
                  url: "https://kc.mcafee.com/corporate/index?page=content&id=SB10284",
               },
               {
                  name: "https://security.netapp.com/advisory/ntap-20190719-0001/",
                  refsource: "CONFIRM",
                  url: "https://security.netapp.com/advisory/ntap-20190719-0001/",
               },
               {
                  name: "[debian-lts-announce] 20200909 [SECURITY] [DLA 2369-1] libxml2 security update",
                  refsource: "MLIST",
                  url: "https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html",
               },
            ],
         },
      },
      "github.com/rubysec/ruby-advisory-db": {
         cve: "2017-18258",
         cvss_v3: 6.5,
         date: "2018-04-13",
         description: "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial\nof service (memory consumption) via a crafted LZMA file, because the decoder functionality does\nnot restrict memory usage to what is required for a legitimate file.\n\nReferences:\n- https://nvd.nist.gov/vuln/detail/CVE-2017-18258\n- https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb\n- https://github.com/advisories/GHSA-882p-jqgm-f45g\n- https://kc.mcafee.com/corporate/index?page=content&id=SB10284\n- https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html\n- https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html\n- https://security.netapp.com/advisory/ntap-20190719-0001/\n- https://usn.ubuntu.com/3739-1/\n",
         gem: "nokogiri",
         ghsa: "882p-jqgm-f45g",
         patched_versions: [
            ">= 1.8.2",
         ],
         title: "Moderate severity vulnerability that affects nokogiri",
         url: "https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb",
      },
      "gitlab.com": {
         advisories: [
            {
               affected_range: "<1.8.2",
               affected_versions: "All versions before 1.8.2",
               cvss_v2: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
               cvss_v3: "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-770",
                  "CWE-937",
               ],
               date: "2021-09-07",
               description: "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.",
               fixed_versions: [
                  "1.8.2",
               ],
               identifier: "CVE-2017-18258",
               identifiers: [
                  "GHSA-882p-jqgm-f45g",
                  "CVE-2017-18258",
               ],
               not_impacted: "All versions starting from 1.8.2",
               package_slug: "gem/nokogiri",
               pubdate: "2018-04-13",
               solution: "Upgrade to version 1.8.2 or above.",
               title: "Allocation of Resources Without Limits or Throttling",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2017-18258",
                  "https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb",
                  "https://github.com/advisories/GHSA-882p-jqgm-f45g",
                  "https://kc.mcafee.com/corporate/index?page=content&id=SB10284",
                  "https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html",
                  "https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html",
                  "https://security.netapp.com/advisory/ntap-20190719-0001/",
                  "https://usn.ubuntu.com/3739-1/",
               ],
               uuid: "e7935050-6ca4-464a-a64c-2d41942f0eca",
            },
            {
               affected_range: "(,2.9.6)",
               affected_versions: "All versions before 2.9.6",
               cvss_v2: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
               cvss_v3: "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-770",
                  "CWE-937",
               ],
               date: "2020-09-10",
               description: "The xz_head function in xzlib.c in libxml2 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.",
               fixed_versions: [],
               identifier: "CVE-2017-18258",
               identifiers: [
                  "CVE-2017-18258",
               ],
               not_impacted: "",
               package_slug: "nuget/libxml2",
               pubdate: "2018-04-08",
               solution: "Unfortunately, there is no solution available yet.",
               title: "Allocation of Resources Without Limits or Throttling",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2017-18258",
               ],
               uuid: "24d4fa93-6821-4a9b-baff-477e6abc053a",
            },
         ],
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "2.9.6",
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
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               ID: "CVE-2017-18258",
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                  },
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            references: {
               reference_data: [
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                     name: "https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb",
                     refsource: "MISC",
                     tags: [
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                     tags: [],
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         },
         impact: {
            baseMetricV2: {
               cvssV2: {
                  accessComplexity: "MEDIUM",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 4.3,
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  vectorString: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 8.6,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: true,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 6.5,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  version: "3.0",
               },
               exploitabilityScore: 2.8,
               impactScore: 3.6,
            },
         },
         lastModifiedDate: "2020-09-10T01:15Z",
         publishedDate: "2018-04-08T17:29Z",
      },
   },
}


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