usn-3808-1
Vulnerability from osv_ubuntu
Published
2018-11-05 19:26
Modified
2026-04-22 07:36
Summary
ruby1.9.1, ruby2.0, ruby2.3, ruby2.5 vulnerabilities
Details

It was discovered that Ruby incorrectly handled certain X.509 certificates. An attacker could possibly use this issue to bypass the certificate check. (CVE-2018-16395)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2018-16396)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-16395",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-16396",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libruby1.9.1",
            "binary_version": "1.9.3.484-2ubuntu1.13"
          },
          {
            "binary_name": "libtcltk-ruby1.9.1",
            "binary_version": "1.9.3.484-2ubuntu1.13"
          },
          {
            "binary_name": "ri1.9.1",
            "binary_version": "1.9.3.484-2ubuntu1.13"
          },
          {
            "binary_name": "ruby1.9.1",
            "binary_version": "1.9.3.484-2ubuntu1.13"
          },
          {
            "binary_name": "ruby1.9.1-examples",
            "binary_version": "1.9.3.484-2ubuntu1.13"
          },
          {
            "binary_name": "ruby1.9.1-full",
            "binary_version": "1.9.3.484-2ubuntu1.13"
          },
          {
            "binary_name": "ruby1.9.3",
            "binary_version": "1.9.3.484-2ubuntu1.13"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "ruby1.9.1",
        "purl": "pkg:deb/ubuntu/ruby1.9.1@1.9.3.484-2ubuntu1.13?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.3.484-2ubuntu1.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.3.194-8.1ubuntu2",
        "1.9.3.448-1ubuntu1",
        "1.9.3.448-1ubuntu2",
        "1.9.3.484-1ubuntu1",
        "1.9.3.484-1ubuntu2",
        "1.9.3.484-2ubuntu1",
        "1.9.3.484-2ubuntu1.1",
        "1.9.3.484-2ubuntu1.2",
        "1.9.3.484-2ubuntu1.3",
        "1.9.3.484-2ubuntu1.5",
        "1.9.3.484-2ubuntu1.6",
        "1.9.3.484-2ubuntu1.7",
        "1.9.3.484-2ubuntu1.8",
        "1.9.3.484-2ubuntu1.10",
        "1.9.3.484-2ubuntu1.11",
        "1.9.3.484-2ubuntu1.12"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-16395",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-16396",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libruby2.0",
            "binary_version": "2.0.0.484-1ubuntu2.11"
          },
          {
            "binary_name": "ruby2.0",
            "binary_version": "2.0.0.484-1ubuntu2.11"
          },
          {
            "binary_name": "ruby2.0-tcltk",
            "binary_version": "2.0.0.484-1ubuntu2.11"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "ruby2.0",
        "purl": "pkg:deb/ubuntu/ruby2.0@2.0.0.484-1ubuntu2.11?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.0.484-1ubuntu2.11"
            }
          ],
          "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",
        "2.0.0.484-1ubuntu2.6",
        "2.0.0.484-1ubuntu2.8",
        "2.0.0.484-1ubuntu2.9",
        "2.0.0.484-1ubuntu2.10"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-16395",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-16396",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libruby2.3",
            "binary_version": "2.3.1-2~16.04.11"
          },
          {
            "binary_name": "ruby2.3",
            "binary_version": "2.3.1-2~16.04.11"
          },
          {
            "binary_name": "ruby2.3-tcltk",
            "binary_version": "2.3.1-2~16.04.11"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "ruby2.3",
        "purl": "pkg:deb/ubuntu/ruby2.3@2.3.1-2~16.04.11?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3.1-2~16.04.11"
            }
          ],
          "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",
        "2.3.1-2~16.04.7",
        "2.3.1-2~16.04.9",
        "2.3.1-2~16.04.10"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-16395",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-16396",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libruby2.5",
            "binary_version": "2.5.1-1ubuntu1.1"
          },
          {
            "binary_name": "ruby2.5",
            "binary_version": "2.5.1-1ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "ruby2.5",
        "purl": "pkg:deb/ubuntu/ruby2.5@2.5.1-1ubuntu1.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.5.1-1ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.5.0~preview1-1ubuntu2",
        "2.5.0-4ubuntu1",
        "2.5.0-4ubuntu4",
        "2.5.0-5ubuntu1",
        "2.5.0-6ubuntu1",
        "2.5.1-1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Ruby incorrectly handled certain X.509\ncertificates. An attacker could possibly use this issue to\nbypass the certificate check. (CVE-2018-16395)\n\nIt was discovered that Ruby incorrectly handled certain\ninputs. An attacker could possibly use this issue to execute\narbitrary code. (CVE-2018-16396)\n",
  "id": "USN-3808-1",
  "modified": "2026-04-22T07:36:36Z",
  "published": "2018-11-05T19:26:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3808-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16395"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16396"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "ruby1.9.1, ruby2.0, ruby2.3, ruby2.5 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-16395",
    "UBUNTU-CVE-2018-16396"
  ]
}



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