GSD-2017-7540

Vulnerability from gsd - Updated: 2017-04-05 00:00
Details
Safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable to bypassing safe mode limitations via special Ruby syntax. This can lead to deletion of objects for which the user does not have delete permissions or possibly to privilege escalation.
Aliases
Aliases
CVE-2017-7540
To clipboard 

{
  "GSD": {
    "alias": "CVE-2017-7540",
    "description": "rubygem-safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable to bypassing safe mode limitations via special Ruby syntax. This can lead to deletion of objects for which the user does not have delete permissions or possibly to privilege escalation.",
    "id": "GSD-2017-7540"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "safemode",
            "purl": "pkg:gem/safemode"
          }
        }
      ],
      "aliases": [
        "CVE-2017-7540",
        "GHSA-5vx5-9q73-wgp4"
      ],
      "details": "Safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable\nto bypassing safe mode limitations via special Ruby syntax. This can\nlead to deletion of objects for which the user does not have delete\npermissions or possibly to privilege escalation.\n",
      "id": "GSD-2017-7540",
      "modified": "2017-04-05T00:00:00.000Z",
      "published": "2017-04-05T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-7540"
        },
        {
          "type": "WEB",
          "url": "https://github.com/svenfuchs/safemode/pull/23"
        }
      ],
      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 9.8,
          "type": "CVSS_V3"
        }
      ],
      "summary": "Safemode Gem for Ruby is vulnerable to bypassing safe mode limitations"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2017-7540",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "rubygem-safemode",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "1.3.2 and earlier"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Red Hat, Inc."
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "rubygem-safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable to bypassing safe mode limitations via special Ruby syntax. This can lead to deletion of objects for which the user does not have delete permissions or possibly to privilege escalation."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-184",
                "lang": "eng",
                "value": "CWE-184"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/svenfuchs/safemode/pull/23",
            "refsource": "MISC",
            "url": "https://github.com/svenfuchs/safemode/pull/23"
          }
        ]
      }
    },
    "github.com/rubysec/ruby-advisory-db": {
      "cve": "2017-7540",
      "cvss_v3": 9.8,
      "date": "2017-04-05",
      "description": "Safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable\nto bypassing safe mode limitations via special Ruby syntax. This can\nlead to deletion of objects for which the user does not have delete\npermissions or possibly to privilege escalation.\n",
      "gem": "safemode",
      "ghsa": "5vx5-9q73-wgp4",
      "patched_versions": [
        "\u003e= 1.3.3"
      ],
      "related": {
        "url": [
          "https://github.com/svenfuchs/safemode/pull/23"
        ]
      },
      "title": "Safemode Gem for Ruby is vulnerable to bypassing safe mode limitations",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-7540"
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c1.3.4",
          "affected_versions": "All versions before 1.3.4",
          "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-937"
          ],
          "date": "2019-10-09",
          "description": "Safemode is vulnerable to bypassing safe mode limitations via special Ruby syntax. This can lead to deletion of objects for which the user does not have delete-permissions or possibly to privilege escalation.",
          "fixed_versions": [
            "1.3.4"
          ],
          "identifier": "CVE-2017-7540",
          "identifiers": [
            "CVE-2017-7540"
          ],
          "not_impacted": "All versions starting from 1.3.4",
          "package_slug": "gem/safemode",
          "pubdate": "2017-07-21",
          "solution": "Upgrade to version 1.3.4 or above.",
          "title": "Safe mode bypassing",
          "urls": [
            "https://github.com/svenfuchs/safemode/pull/23"
          ],
          "uuid": "b78203b5-af1b-466a-8e77-e146715e5944"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:safemode_project:safemode:*:*:*:*:*:ruby:*:*",
                "cpe_name": [],
                "versionEndIncluding": "1.3.2",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2017-7540"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "rubygem-safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable to bypassing safe mode limitations via special Ruby syntax. This can lead to deletion of objects for which the user does not have delete permissions or possibly to privilege escalation."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/svenfuchs/safemode/pull/23",
              "refsource": "MISC",
              "tags": [
                "Issue Tracking"
              ],
              "url": "https://github.com/svenfuchs/safemode/pull/23"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "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": "2019-10-09T23:29Z",
      "publishedDate": "2017-07-21T22:29Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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