vuln-ubuntu/data/osv/usn/USN-5252-2.json

{
  "schema_version": "1.7.0",
  "id": "USN-5252-2",
  "summary": "policykit-1 vulnerability",
  "details": "USN-5252-1 fixed a vulnerability in policykit-1. This update provides\nthe corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that the PolicyKit pkexec tool incorrectly handled\n command-line arguments. A local attacker could use this issue to escalate\n privileges to an administrator.\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2021-4034"
  ],
  "related": [],
  "published": "2022-01-25T19:30:35Z",
  "modified": "2026-06-29T10:52:53Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "policykit-1",
        "purl": "pkg:deb/ubuntu/policykit-1@0.105-4ubuntu3.14.04.6+esm1?arch=source&distro=trusty/esm"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.105-4ubuntu3.14.04.6+esm1"
            }
          ]
        }
      ],
      "versions": [
        "0.105-3ubuntu3",
        "0.105-4ubuntu1",
        "0.105-4ubuntu2",
        "0.105-4ubuntu2.14.04.1",
        "0.105-4ubuntu3.14.04.1",
        "0.105-4ubuntu3.14.04.2",
        "0.105-4ubuntu3.14.04.5",
        "0.105-4ubuntu3.14.04.6"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-4ubuntu3.14.04.6+esm1"
          },
          {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-4ubuntu3.14.04.6+esm1"
          },
          {
            "binary_name": "libpolkit-backend-1-0",
            "binary_version": "0.105-4ubuntu3.14.04.6+esm1"
          },
          {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-4ubuntu3.14.04.6+esm1"
          },
          {
            "binary_name": "policykit-1",
            "binary_version": "0.105-4ubuntu3.14.04.6+esm1"
          }
        ],
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:Pro:14.04:LTS",
          "cves": [
            {
              "id": "CVE-2021-4034",
              "severity": [
                {
                  "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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "high"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "policykit-1",
        "purl": "pkg:deb/ubuntu/policykit-1@0.105-14.1ubuntu0.5+esm1?arch=source&distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.105-14.1ubuntu0.5+esm1"
            }
          ]
        }
      ],
      "versions": [
        "0.105-11ubuntu2",
        "0.105-13",
        "0.105-13ubuntu1",
        "0.105-14",
        "0.105-14.1",
        "0.105-14.1ubuntu0.1",
        "0.105-14.1ubuntu0.4",
        "0.105-14.1ubuntu0.5"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-14.1ubuntu0.5+esm1"
          },
          {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-14.1ubuntu0.5+esm1"
          },
          {
            "binary_name": "libpolkit-backend-1-0",
            "binary_version": "0.105-14.1ubuntu0.5+esm1"
          },
          {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-14.1ubuntu0.5+esm1"
          },
          {
            "binary_name": "policykit-1",
            "binary_version": "0.105-14.1ubuntu0.5+esm1"
          }
        ],
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:Pro:16.04:LTS",
          "cves": [
            {
              "id": "CVE-2021-4034",
              "severity": [
                {
                  "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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "high"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5252-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-4034"
    }
  ]
}