{
  "GSD": {
    "alias": "CVE-2017-16931",
    "description": "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 \u0027%\u0027 character in a DTD name.",
    "id": "GSD-2017-16931",
    "references": [
      "https://www.suse.com/security/cve/CVE-2017-16931.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2017-16931"
      ],
      "details": "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 \u0027%\u0027 character in a DTD name.",
      "id": "GSD-2017-16931",
      "modified": "2023-12-13T01:21:01.297016Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2017-16931",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "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 \u0027%\u0027 character in a DTD name."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "[debian-lts-announce] 20171130 [SECURITY] [DLA 1194-1] libxml2 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html"
          },
          {
            "name": "https://www.oracle.com//security-alerts/cpujul2021.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
          },
          {
            "name": "https://bugzilla.gnome.org/show_bug.cgi?id=766956",
            "refsource": "CONFIRM",
            "url": "https://bugzilla.gnome.org/show_bug.cgi?id=766956"
          },
          {
            "name": "http://xmlsoft.org/news.html",
            "refsource": "CONFIRM",
            "url": "http://xmlsoft.org/news.html"
          },
          {
            "name": "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3",
            "refsource": "CONFIRM",
            "url": "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,2.9.4]",
          "affected_versions": "All versions up to 2.9.4",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-119",
            "CWE-937"
          ],
          "date": "2021-07-20",
          "description": "parser.c in libxml2 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a \u0027%\u0027 character in a DTD name.",
          "fixed_versions": [],
          "identifier": "CVE-2017-16931",
          "identifiers": [
            "CVE-2017-16931"
          ],
          "not_impacted": "",
          "package_slug": "nuget/libxml2",
          "pubdate": "2017-11-23",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Improper Restriction of Operations within the Bounds of a Memory Buffer",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2017-16931"
          ],
          "uuid": "39c723d6-183e-4a89-ab39-8bfb173d4c6b"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.9.4",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-16931"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "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 \u0027%\u0027 character in a DTD name."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-119"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3"
            },
            {
              "name": "https://bugzilla.gnome.org/show_bug.cgi?id=766956",
              "refsource": "CONFIRM",
              "tags": [
                "Permissions Required"
              ],
              "url": "https://bugzilla.gnome.org/show_bug.cgi?id=766956"
            },
            {
              "name": "http://xmlsoft.org/news.html",
              "refsource": "CONFIRM",
              "tags": [
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "http://xmlsoft.org/news.html"
            },
            {
              "name": "[debian-lts-announce] 20171130 [SECURITY] [DLA 1194-1] libxml2 security update",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html"
            },
            {
              "name": "N/A",
              "refsource": "N/A",
              "tags": [],
              "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": true,
          "cvssV2": {
            "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": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2021-07-20T23:15Z",
      "publishedDate": "2017-11-23T21:29Z"
    }
  }
}