ubuntu-cve-2021-31998
Vulnerability from osv_ubuntu
Published
2021-06-10 12:15
Modified
2026-05-20 14:53
Summary
Details

A Incorrect Default Permissions vulnerability in the packaging of inn of SUSE Linux Enterprise Server 11-SP3; openSUSE Backports SLE-15-SP2, openSUSE Leap 15.2 allows local attackers to escalate their privileges from the news user to root. This issue affects: SUSE Linux Enterprise Server 11-SP3 inn version inn-2.4.2-170.21.3.1 and prior versions. openSUSE Backports SLE-15-SP2 inn versions prior to 2.6.2. openSUSE Leap 15.2 inn versions prior to 2.6.2.

Severity
6.8 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "inn2",
            "binary_version": "2.6.0-2"
          },
          {
            "binary_name": "inn2-inews",
            "binary_version": "2.6.0-2"
          },
          {
            "binary_name": "inn2-lfs",
            "binary_version": "2.6.0-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "inn2",
        "purl": "pkg:deb/ubuntu/inn2@2.6.0-2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.5.4-3",
        "2.6.0-1",
        "2.6.0-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "inn2",
            "binary_version": "2.6.1-4build1"
          },
          {
            "binary_name": "inn2-inews",
            "binary_version": "2.6.1-4build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "inn2",
        "purl": "pkg:deb/ubuntu/inn2@2.6.1-4build1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.6.1-2build1",
        "2.6.1-3",
        "2.6.1-4",
        "2.6.1-4build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "inn2",
            "binary_version": "2.6.3-3"
          },
          {
            "binary_name": "inn2-inews",
            "binary_version": "2.6.3-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "inn2",
        "purl": "pkg:deb/ubuntu/inn2@2.6.3-3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.6.3-2build1",
        "2.6.3-2build2",
        "2.6.3-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "inn2",
            "binary_version": "2.6.4-2build4"
          },
          {
            "binary_name": "inn2-inews",
            "binary_version": "2.6.4-2build4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "inn2",
        "purl": "pkg:deb/ubuntu/inn2@2.6.4-2build4?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.6.4-2build1",
        "2.6.4-2build2",
        "2.6.4-2build3",
        "2.6.4-2build4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "inn2",
            "binary_version": "2.7.2~20240212-1build3"
          },
          {
            "binary_name": "inn2-inews",
            "binary_version": "2.7.2~20240212-1build3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "inn2",
        "purl": "pkg:deb/ubuntu/inn2@2.7.2~20240212-1build3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.7.2~20230806-1",
        "2.7.2~20230917-1",
        "2.7.2~20231223-1",
        "2.7.2~20240120-1ubuntu1",
        "2.7.2~20240212-1",
        "2.7.2~20240212-1build2",
        "2.7.2~20240212-1build3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "inn2",
            "binary_version": "2.7.3-1"
          },
          {
            "binary_name": "inn2-inews",
            "binary_version": "2.7.3-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "inn2",
        "purl": "pkg:deb/ubuntu/inn2@2.7.3-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.7.3~20250201-1",
        "2.7.3~rc1-1",
        "2.7.3-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "inn2",
            "binary_version": "2.7.4~20250809-1build1"
          },
          {
            "binary_name": "inn2-inews",
            "binary_version": "2.7.4~20250809-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "inn2",
        "purl": "pkg:deb/ubuntu/inn2@2.7.4~20250809-1build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.7.3-1",
        "2.7.4~20250809-1",
        "2.7.4~20250809-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "A Incorrect Default Permissions vulnerability in the packaging of inn of SUSE Linux Enterprise Server 11-SP3; openSUSE Backports SLE-15-SP2, openSUSE Leap 15.2 allows local attackers to escalate their privileges from the news user to root. This issue affects: SUSE Linux Enterprise Server 11-SP3 inn version inn-2.4.2-170.21.3.1 and prior versions. openSUSE Backports SLE-15-SP2 inn versions prior to 2.6.2. openSUSE Leap 15.2 inn versions prior to 2.6.2.",
  "id": "UBUNTU-CVE-2021-31998",
  "modified": "2026-05-20T14:53:19Z",
  "published": "2021-06-10T12:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-31998"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1182321"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31998"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-31998"
  ]
}



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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.
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  • 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.


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