GSD-2018-7753

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren't properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized.
Aliases
Aliases
CVE-2018-7753
To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-7753",
    "description": "An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren\u0027t properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized.",
    "id": "GSD-2018-7753",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-7753.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-7753"
      ],
      "details": "An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren\u0027t properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized.",
      "id": "GSD-2018-7753",
      "modified": "2023-12-13T01:22:33.071780Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2018-7753",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
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      "data_type": "CVE",
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      "description": {
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            "lang": "eng",
            "value": "An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren\u0027t properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized."
          }
        ]
      },
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                "value": "n/a"
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/mozilla/bleach/releases/tag/v2.1.3",
            "refsource": "MISC",
            "url": "https://github.com/mozilla/bleach/releases/tag/v2.1.3"
          },
          {
            "name": "https://github.com/mozilla/bleach/commit/c5df5789ec3471a31311f42c2d19fc2cf21b35ef",
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            "url": "https://github.com/mozilla/bleach/commit/c5df5789ec3471a31311f42c2d19fc2cf21b35ef"
          },
          {
            "name": "https://bugs.debian.org/892252",
            "refsource": "MISC",
            "url": "https://bugs.debian.org/892252"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=2.1,\u003c=2.1.2",
          "affected_versions": "All versions starting from 2.1 up to 2.1.2",
          "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-20",
            "CWE-937"
          ],
          "date": "2018-03-29",
          "description": "URI values are not properly sanitized if the values contained character entities. Using character entities, it is possible to construct a URI value with parameters that are sliding through without being sanitized.",
          "fixed_versions": [
            "2.1.3"
          ],
          "identifier": "CVE-2018-7753",
          "identifiers": [
            "CVE-2018-7753"
          ],
          "not_impacted": "All versions before 2.1, all versions after 2.1.2",
          "package_slug": "pypi/bleach",
          "pubdate": "2018-03-07",
          "solution": "Upgrade to version 2.1.3 or above.",
          "title": "Improper Input Validation",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-7753"
          ],
          "uuid": "07188e94-fe53-4f42-8a80-2bc1b7114665"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:bleach:2.1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:bleach:2.1.2:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:bleach:2.1.1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-7753"
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren\u0027t properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-20"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/mozilla/bleach/releases/tag/v2.1.3",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://github.com/mozilla/bleach/releases/tag/v2.1.3"
            },
            {
              "name": "https://github.com/mozilla/bleach/commit/c5df5789ec3471a31311f42c2d19fc2cf21b35ef",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/mozilla/bleach/commit/c5df5789ec3471a31311f42c2d19fc2cf21b35ef"
            },
            {
              "name": "https://bugs.debian.org/892252",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://bugs.debian.org/892252"
            }
          ]
        }
      },
      "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": "2018-03-29T13:50Z",
      "publishedDate": "2018-03-07T23:29Z"
    }
  }
}


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