ubuntu-cve-2020-25654
Vulnerability from osv_ubuntu
Published
2020-10-27 00:00
Modified
2026-04-22 07:39
Summary
Details

An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group could use IPC communication with various daemons directly to perform certain tasks that they would be prevented by ACLs from doing if they went through the configuration.


{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libcib4",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "libcrmcluster4",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "libcrmcommon3",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "libcrmservice3",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "liblrmd1",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "libpe-rules2",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "libpe-status10",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "libpengine10",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "libstonithd2",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "libtransitioner2",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "pacemaker",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "pacemaker-cli-utils",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "pacemaker-common",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "pacemaker-remote",
            "binary_version": "1.1.14-2ubuntu1.9"
          },
          {
            "binary_name": "pacemaker-resource-agents",
            "binary_version": "1.1.14-2ubuntu1.9"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "pacemaker",
        "purl": "pkg:deb/ubuntu/pacemaker@1.1.14-2ubuntu1.9?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.14-2ubuntu1.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.12-0ubuntu2",
        "1.1.12-0ubuntu3",
        "1.1.14~rc4-2ubuntu1",
        "1.1.14-1ubuntu1",
        "1.1.14-1ubuntu2",
        "1.1.14-2ubuntu1",
        "1.1.14-2ubuntu1.1",
        "1.1.14-2ubuntu1.2",
        "1.1.14-2ubuntu1.3",
        "1.1.14-2ubuntu1.4",
        "1.1.14-2ubuntu1.5",
        "1.1.14-2ubuntu1.6",
        "1.1.14-2ubuntu1.7",
        "1.1.14-2ubuntu1.8"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libcib4",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "libcrmcluster4",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "libcrmcommon3",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "libcrmservice3",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "liblrmd1",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "libpe-rules2",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "libpe-status10",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "libpengine10",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "libstonithd2",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "libtransitioner2",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "pacemaker",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "pacemaker-cli-utils",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "pacemaker-common",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "pacemaker-remote",
            "binary_version": "1.1.18-0ubuntu1.3"
          },
          {
            "binary_name": "pacemaker-resource-agents",
            "binary_version": "1.1.18-0ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "pacemaker",
        "purl": "pkg:deb/ubuntu/pacemaker@1.1.18-0ubuntu1.3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.18-0ubuntu1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.16-1ubuntu1",
        "1.1.18~rc3-1ubuntu1",
        "1.1.18~rc4-1ubuntu1",
        "1.1.18-0ubuntu1",
        "1.1.18-0ubuntu1.1",
        "1.1.18-0ubuntu1.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libcib27",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "libcrmcluster29",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "libcrmcommon34",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "libcrmservice28",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "liblrmd28",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "libpacemaker1",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "libpe-rules26",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "libpe-status28",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "libstonithd26",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "pacemaker",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "pacemaker-cli-utils",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "pacemaker-common",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "pacemaker-remote",
            "binary_version": "2.0.3-3ubuntu4.1"
          },
          {
            "binary_name": "pacemaker-resource-agents",
            "binary_version": "2.0.3-3ubuntu4.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "pacemaker",
        "purl": "pkg:deb/ubuntu/pacemaker@2.0.3-3ubuntu4.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.3-3ubuntu4.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.1-4ubuntu2",
        "2.0.1-5ubuntu1",
        "2.0.1-5ubuntu5",
        "2.0.3-3ubuntu1",
        "2.0.3-3ubuntu3",
        "2.0.3-3ubuntu4"
      ]
    }
  ],
  "aliases": [],
  "details": "An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group could use IPC communication with various daemons directly to perform certain tasks that they would be prevented by ACLs from doing if they went through the configuration.",
  "id": "UBUNTU-CVE-2020-25654",
  "modified": "2026-04-22T07:39:32Z",
  "published": "2020-10-27T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-25654"
    },
    {
      "type": "REPORT",
      "url": "https://lists.clusterlabs.org/pipermail/developers/2020-October/002324.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2020/10/27/1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4623-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-25654"
    }
  ],
  "related": [
    "USN-4623-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-25654"
  ]
}



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