gsd-2018-12615
Vulnerability from gsd
Modified
2022-05-13 00:00
Details
An issue was discovered in switchGroup() in agent/ExecHelper/ExecHelperMain.cpp in Phusion Passenger before 5.3.2. The set of groups (gidset) is not set correctly, leaving it up to randomness (i.e., uninitialized memory) which supplementary groups are actually being set while lowering privileges.
Aliases
Aliases
CVE-2018-12615


To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-12615",
    "description": "An issue was discovered in switchGroup() in agent/ExecHelper/ExecHelperMain.cpp in Phusion Passenger before 5.3.2. The set of groups (gidset) is not set correctly, leaving it up to randomness (i.e., uninitialized memory) which supplementary groups are actually being set while lowering privileges.",
    "id": "GSD-2018-12615",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-12615.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "passenger",
            "purl": "pkg:gem/passenger"
          }
        }
      ],
      "aliases": [
        "CVE-2018-12615",
        "GHSA-4284-jfhc-f854"
      ],
      "details": "An issue was discovered in switchGroup() in agent/ExecHelper/ExecHelperMain.cpp\nin Phusion Passenger before 5.3.2. The set of groups (gidset) is not set correctly,\nleaving it up to randomness (i.e., uninitialized memory) which supplementary groups\nare actually being set while lowering privileges.\n",
      "id": "GSD-2018-12615",
      "modified": "2022-05-13T00:00:00.000Z",
      "published": "2022-05-13T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://github.com/phusion/passenger/commit/4e97fdb86d0a0141ec9a052c6e691fcd07bb45c8"
        }
      ],
      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 5.3,
          "type": "CVSS_V3"
        }
      ],
      "summary": "Phusion Passenger incorrect permission assignment"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2018-12615",
        "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": "An issue was discovered in switchGroup() in agent/ExecHelper/ExecHelperMain.cpp in Phusion Passenger before 5.3.2. The set of groups (gidset) is not set correctly, leaving it up to randomness (i.e., uninitialized memory) which supplementary groups are actually being set while lowering privileges."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/phusion/passenger/commit/4e97fdb86d0a0141ec9a052c6e691fcd07bb45c8",
            "refsource": "MISC",
            "url": "https://github.com/phusion/passenger/commit/4e97fdb86d0a0141ec9a052c6e691fcd07bb45c8"
          }
        ]
      }
    },
    "github.com/rubysec/ruby-advisory-db": {
      "cve": "2018-12615",
      "cvss_v3": 5.3,
      "date": "2022-05-13",
      "description": "An issue was discovered in switchGroup() in agent/ExecHelper/ExecHelperMain.cpp\nin Phusion Passenger before 5.3.2. The set of groups (gidset) is not set correctly,\nleaving it up to randomness (i.e., uninitialized memory) which supplementary groups\nare actually being set while lowering privileges.\n",
      "gem": "passenger",
      "ghsa": "4284-jfhc-f854",
      "patched_versions": [
        "\u003e= 5.3.2"
      ],
      "title": "Phusion Passenger incorrect permission assignment",
      "url": "https://github.com/phusion/passenger/commit/4e97fdb86d0a0141ec9a052c6e691fcd07bb45c8"
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c5.3.2",
          "affected_versions": "All versions before 5.3.2",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-732",
            "CWE-937"
          ],
          "date": "2019-10-03",
          "description": "An issue was discovered in Phusion Passenger. The set of groups (gidset) is not set correctly, leaving it up to randomness (i.e., uninitialized memory) which supplementary groups are actually being set while lowering privileges.",
          "fixed_versions": [
            "5.3.2"
          ],
          "identifier": "CVE-2018-12615",
          "identifiers": [
            "CVE-2018-12615"
          ],
          "not_impacted": "All versions starting from 5.3.2",
          "package_slug": "gem/passenger",
          "pubdate": "2018-06-21",
          "solution": "Upgrade to version 5.3.2 or above.",
          "title": "Incorrect Permission Assignment for Critical Resource",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-12615"
          ],
          "uuid": "ed084a7a-d8dc-443c-a37e-313171389e1a"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:phusion:passenger:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.3.2",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-12615"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "An issue was discovered in switchGroup() in agent/ExecHelper/ExecHelperMain.cpp in Phusion Passenger before 5.3.2. The set of groups (gidset) is not set correctly, leaving it up to randomness (i.e., uninitialized memory) which supplementary groups are actually being set while lowering privileges."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-732"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/phusion/passenger/commit/4e97fdb86d0a0141ec9a052c6e691fcd07bb45c8",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/phusion/passenger/commit/4e97fdb86d0a0141ec9a052c6e691fcd07bb45c8"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2019-10-03T00:03Z",
      "publishedDate": "2018-06-21T15:29Z"
    }
  }
}


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