github - GHSA-2j55-pcw5-x4h2

GHSA-2J55-PCW5-X4H2

Vulnerability from github – Published: 2018-08-13 15:02 – Updated: 2023-01-18 21:33

Summary

active-support impersonates 'activesupport' gem

Details

The active-support ruby gem gem is malware and duplicates the official activesupport (no hyphen) gem, but adds a compiled extension. The extension attempts to resolve a base64 encoded domain (29faea63.planfhntage.de), downloads a payload, and executes.

This trojan horse gem could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system. No version of this gem should be considered safe.

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "active-support"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-3779"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-77"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T20:52:19Z",
    "nvd_published_at": null,
    "severity": "CRITICAL"
  },
  "details": "The `active-support` ruby gem gem is malware and duplicates the official `activesupport` (no hyphen) gem, but adds a compiled extension. The extension attempts to resolve a base64 encoded domain (29faea63.planfhntage.de), downloads a payload, and executes.\n \nThis trojan horse gem could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.  No version of this gem should be considered safe.",
  "id": "GHSA-2j55-pcw5-x4h2",
  "modified": "2023-01-18T21:33:05Z",
  "published": "2018-08-13T15:02:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-3779"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/392311"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-2j55-pcw5-x4h2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "active-support impersonates \u0027activesupport\u0027 gem"
}

GSD-2018-3779

Vulnerability from gsd - Updated: 2018-08-09 00:00

Details

The gem duplicates official `activesupport` (no hyphen) code, but adds a compiled extension. The extension attempts to resolve a base64 encoded domain, downloads a payload, and executes. Replace this gem with the official `activesupport` gem.

Aliases

CVE-2018-3779

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2018-3779",
    "description": "active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.",
    "id": "GSD-2018-3779"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "active-support",
            "purl": "pkg:gem/active-support"
          }
        }
      ],
      "aliases": [
        "CVE-2018-3779",
        "GHSA-2j55-pcw5-x4h2"
      ],
      "details": "The gem duplicates official `activesupport` (no hyphen) code, but adds a\ncompiled extension. The extension attempts to resolve a base64 encoded\ndomain, downloads a payload, and executes.\n\nReplace this gem with the official `activesupport` gem.\n",
      "id": "GSD-2018-3779",
      "modified": "2018-08-09T00:00:00.000Z",
      "published": "2018-08-09T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://hackerone.com/reports/392311"
        },
        {
          "type": "WEB",
          "url": "https://github.com/rubygems/rubygems.org/pull/1762"
        }
      ],
      "schema_version": "1.4.0",
      "summary": "Malicious ruby gem - active-support"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "support@hackerone.com",
        "ID": "CVE-2018-3779",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "active-support ruby gem",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "5.2.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "HackerOne"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Command Injection - Generic (CWE-77)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://hackerone.com/reports/392311",
            "refsource": "MISC",
            "url": "https://hackerone.com/reports/392311"
          }
        ]
      }
    },
    "github.com/rubysec/ruby-advisory-db": {
      "cve": "2018-3779",
      "date": "2018-08-09",
      "description": "The gem duplicates official `activesupport` (no hyphen) code, but adds a\ncompiled extension. The extension attempts to resolve a base64 encoded\ndomain, downloads a payload, and executes.\n\nReplace this gem with the official `activesupport` gem.\n",
      "gem": "active-support",
      "ghsa": "2j55-pcw5-x4h2",
      "related": {
        "url": [
          "https://github.com/rubygems/rubygems.org/pull/1762"
        ]
      },
      "title": "Malicious ruby gem - active-support",
      "url": "https://hackerone.com/reports/392311"
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=0",
          "affected_versions": "All versions",
          "cvss_v2": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "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-78",
            "CWE-937"
          ],
          "date": "2021-01-08",
          "description": "active-support ruby gem could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.",
          "fixed_versions": [],
          "identifier": "CVE-2018-3779",
          "identifiers": [
            "GHSA-2j55-pcw5-x4h2",
            "CVE-2018-3779"
          ],
          "not_impacted": "",
          "package_slug": "gem/active-support",
          "pubdate": "2018-08-13",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-3779",
            "https://hackerone.com/reports/392311",
            "https://github.com/advisories/GHSA-2j55-pcw5-x4h2"
          ],
          "uuid": "a8ce6a79-6cc4-48e0-8661-49361476e851"
        },
        {
          "affected_range": "=5.2.0",
          "affected_versions": "Version 5.2.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "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": "active-support could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.",
          "fixed_versions": [
            "5.2.1"
          ],
          "identifier": "CVE-2018-3779",
          "identifiers": [
            "CVE-2018-3779"
          ],
          "not_impacted": "All versions before 5.2.0, all versions after 5.2.0",
          "package_slug": "gem/activesupport",
          "pubdate": "2018-08-10",
          "solution": "Upgrade to version 5.2.1 or above.",
          "title": "Command Injection",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-3779",
            "https://hackerone.com/reports/392311"
          ],
          "uuid": "d87e3ad2-67b8-4874-981d-924d1e43b959"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:activesupport_project:activesupport:5.2.0:*:*:*:*:ruby:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve-assignments@hackerone.com",
          "ID": "CVE-2018-3779"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://hackerone.com/reports/392311",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Issue Tracking",
                "Third Party Advisory"
              ],
              "url": "https://hackerone.com/reports/392311"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 10.0,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 10.0,
          "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": "2019-10-09T23:40Z",
      "publishedDate": "2018-08-10T21:29Z"
    }
  }
}

CVE-2018-3779 (GCVE-0-2018-3779)

Vulnerability from cvelistv5 – Published: 2018-08-10 21:00 – Updated: 2024-08-05 04:50

Summary

active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.

Severity ?

No CVSS data available.

CWE

CWE-77 - Command Injection - Generic (CWE-77)

Assigner

hackerone

References

URL

Tags

https://hackerone.com/reports/392311

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	HackerOne	active-support ruby gem	Affected: 5.2.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T04:50:30.831Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/392311"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "active-support ruby gem",
          "vendor": "HackerOne",
          "versions": [
            {
              "status": "affected",
              "version": "5.2.0"
            }
          ]
        }
      ],
      "datePublic": "2018-08-09T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-77",
              "description": "Command Injection - Generic (CWE-77)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-08-10T20:57:01",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/392311"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "ID": "CVE-2018-3779",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "active-support ruby gem",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "5.2.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "HackerOne"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Command Injection - Generic (CWE-77)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://hackerone.com/reports/392311",
              "refsource": "MISC",
              "url": "https://hackerone.com/reports/392311"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2018-3779",
    "datePublished": "2018-08-10T21:00:00",
    "dateReserved": "2017-12-28T00:00:00",
    "dateUpdated": "2024-08-05T04:50:30.831Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-2J55-PCW5-X4H2

GSD-2018-3779

CVE-2018-3779 (GCVE-0-2018-3779)

Tags

Sightings

Nomenclature