fkie_cve-2017-18258
Vulnerability from fkie_nvd
Published
2018-04-08 17:29
Modified
2024-11-21 03:19
Severity ?
6.5 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
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
cve@mitre.orghttps://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bbPatch, Vendor Advisory
cve@mitre.orghttps://kc.mcafee.com/corporate/index?page=content&id=SB10284
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20190719-0001/
cve@mitre.orghttps://usn.ubuntu.com/3739-1/
af854a3a-2127-422b-91ae-364da2661108https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bbPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://kc.mcafee.com/corporate/index?page=content&id=SB10284
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190719-0001/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3739-1/
Impacted products
Vendor Product Version
xmlsoft libxml2 *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "C19E3EB6-7136-4235-B7FC-5719DABACD78",
                     versionEndExcluding: "2.9.6",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         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.",
      },
      {
         lang: "es",
         value: "La función xz_head en xzlib.c en libxml2, en versiones anteriores a la 2.9.6, permite que atacantes remotos provoquen una denegación de servicio (consumo de memoria) mediante un archivo LZMA. Esto se dene a que la funcionalidad de descifrado no restringe el uso de memoria a lo que se requiere para un archivo legítimo.",
      },
   ],
   id: "CVE-2017-18258",
   lastModified: "2024-11-21T03:19:42.270",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               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,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: true,
         },
      ],
      cvssMetricV30: [
         {
            cvssData: {
               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,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2018-04-08T17:29:00.237",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
            "Vendor Advisory",
         ],
         url: "https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb",
      },
      {
         source: "cve@mitre.org",
         url: "https://kc.mcafee.com/corporate/index?page=content&id=SB10284",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html",
      },
      {
         source: "cve@mitre.org",
         url: "https://security.netapp.com/advisory/ntap-20190719-0001/",
      },
      {
         source: "cve@mitre.org",
         url: "https://usn.ubuntu.com/3739-1/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Vendor Advisory",
         ],
         url: "https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://kc.mcafee.com/corporate/index?page=content&id=SB10284",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://security.netapp.com/advisory/ntap-20190719-0001/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://usn.ubuntu.com/3739-1/",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-770",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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