GSD-2017-16931

Vulnerability from gsd - Updated: 2023-12-13 01:21
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 '%' character in a DTD name.
Aliases
Aliases

{
  "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"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…