fkie_cve-2017-16931
Vulnerability from fkie_nvd
Published
2017-11-23 21:29
Modified
2024-11-21 03:17
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.
References
cve@mitre.orghttp://xmlsoft.org/news.htmlRelease Notes, Vendor Advisory
cve@mitre.orghttps://bugzilla.gnome.org/show_bug.cgi?id=766956Permissions Required
cve@mitre.orghttps://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2017/11/msg00041.html
cve@mitre.orghttps://www.oracle.com//security-alerts/cpujul2021.html
af854a3a-2127-422b-91ae-364da2661108http://xmlsoft.org/news.htmlRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.gnome.org/show_bug.cgi?id=766956Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com//security-alerts/cpujul2021.html
Impacted products
Vendor Product Version
xmlsoft libxml2 *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "8CC4875D-A4B2-4A7C-B020-7C2E86412B7C",
                     versionEndIncluding: "2.9.4",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.",
      },
      {
         lang: "es",
         value: "parser.c en libxml2 en versiones anteriores a la 2.9.5 gestiona de manera incorrecta las referencias de entidades de parámetro debido a que la macro NEXTL llama a la función xmlParserHandlePEReference en caso de que haya un carácter \"%\" en un nombre DTD.",
      },
   ],
   id: "CVE-2017-16931",
   lastModified: "2024-11-21T03:17:15.923",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: true,
            baseSeverity: "HIGH",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 7.5,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "PARTIAL",
               vectorString: "AV:N/AC:L/Au:N/C:P/I:P/A:P",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 6.4,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV30: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 9.8,
               baseSeverity: "CRITICAL",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
               version: "3.0",
            },
            exploitabilityScore: 3.9,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2017-11-23T21:29:00.390",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "http://xmlsoft.org/news.html",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Permissions Required",
         ],
         url: "https://bugzilla.gnome.org/show_bug.cgi?id=766956",
      },
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html",
      },
      {
         source: "cve@mitre.org",
         url: "https://www.oracle.com//security-alerts/cpujul2021.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "http://xmlsoft.org/news.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Permissions Required",
         ],
         url: "https://bugzilla.gnome.org/show_bug.cgi?id=766956",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://www.oracle.com//security-alerts/cpujul2021.html",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-119",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.