UBUNTU-CVE-2018-1000079 (CVE-2018-1000079)

Vulnerability from osv_ubuntu – Published: 2018-03-13 00:00 – Updated: 2026-04-22 07:38 – Source website
VLAI
Details

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. This vulnerability appears to have been fixed in 2.7.6.

Severity
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libruby2.0",
            "binary_version": "2.0.0.484-1ubuntu2.6"
          },
          {
            "binary_name": "ruby2.0",
            "binary_version": "2.0.0.484-1ubuntu2.6"
          },
          {
            "binary_name": "ruby2.0-tcltk",
            "binary_version": "2.0.0.484-1ubuntu2.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "ruby2.0",
        "purl": "pkg:deb/ubuntu/ruby2.0@2.0.0.484-1ubuntu2.6?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.0.484-1ubuntu2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.0.299-2",
        "2.0.0.343-1",
        "2.0.0.343-1ubuntu1",
        "2.0.0.353-1",
        "2.0.0.353-1ubuntu1",
        "2.0.0.484-1ubuntu1",
        "2.0.0.484-1ubuntu2",
        "2.0.0.484-1ubuntu2.1",
        "2.0.0.484-1ubuntu2.2",
        "2.0.0.484-1ubuntu2.4",
        "2.0.0.484-1ubuntu2.5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "jruby",
            "binary_version": "1.5.6-9+deb8u2build0.14.04.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "jruby",
        "purl": "pkg:deb/ubuntu/jruby@1.5.6-9+deb8u2build0.14.04.1~esm2?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.5.6-5ubuntu1",
        "1.5.6-6",
        "1.5.6-7",
        "1.5.6-9+deb8u2build0.14.04.1~esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libruby2.3",
            "binary_version": "2.3.1-2~16.04.7"
          },
          {
            "binary_name": "ruby2.3",
            "binary_version": "2.3.1-2~16.04.7"
          },
          {
            "binary_name": "ruby2.3-tcltk",
            "binary_version": "2.3.1-2~16.04.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "ruby2.3",
        "purl": "pkg:deb/ubuntu/ruby2.3@2.3.1-2~16.04.7?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3.1-2~16.04.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.3.0-1",
        "2.3.0-2",
        "2.3.0-4ubuntu2",
        "2.3.0-4ubuntu3",
        "2.3.0-5ubuntu1",
        "2.3.1-2~16.04",
        "2.3.1-2~16.04.2",
        "2.3.1-2~16.04.4",
        "2.3.1-2~16.04.5",
        "2.3.1-2~16.04.6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "jruby",
            "binary_version": "1.7.22-1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "jruby",
        "purl": "pkg:deb/ubuntu/jruby@1.7.22-1ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.7.21-2ubuntu4",
        "1.7.22-1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "jruby",
            "binary_version": "9.1.17.0-1~18.04"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "jruby",
        "purl": "pkg:deb/ubuntu/jruby@9.1.17.0-1~18.04?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.1.13.0-1",
        "9.1.17.0-1~18.04"
      ]
    }
  ],
  "aliases": [],
  "details": "RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. This vulnerability appears to have been fixed in 2.7.6.",
  "id": "UBUNTU-CVE-2018-1000079",
  "modified": "2026-04-22T07:38:48Z",
  "published": "2018-03-13T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-1000079"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rubygems/rubygems/commit/f83f911e19e27cbac1ccce7471d96642241dd759"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rubygems/rubygems/commit/666ef793cad42eed96f7aee1cdf77865db921099"
    },
    {
      "type": "REPORT",
      "url": "https://www.ruby-lang.org/en/news/2018/02/17/multiple-vulnerabilities-in-rubygems/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3621-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-1000079"
    }
  ],
  "related": [
    "USN-3621-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-1000079"
  ]
}



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