usn-4960-1
Vulnerability from osv_ubuntu
Published
2021-05-19 10:41
Modified
2026-02-10 04:42
Summary
runc vulnerability
Details

Etienne Champetier discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount the host filesystem into the container and escalate privileges.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-30465",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.0.0~rc93-0ubuntu1~18.04.2"
          },
          {
            "binary_name": "runc",
            "binary_version": "1.0.0~rc93-0ubuntu1~18.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "runc",
        "purl": "pkg:deb/ubuntu/runc@1.0.0~rc93-0ubuntu1~18.04.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.0~rc93-0ubuntu1~18.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.0~rc2+docker1.13.1-0ubuntu1",
        "1.0.0~rc4+dfsg1-2",
        "1.0.0~rc4+dfsg1-6",
        "1.0.0~rc4+dfsg1-6ubuntu0.18.04.1",
        "1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.1",
        "1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.2",
        "1.0.0~rc10-0ubuntu1~18.04.1",
        "1.0.0~rc10-0ubuntu1~18.04.2",
        "1.0.0~rc93-0ubuntu1~18.04.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-30465",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.0.0~rc93-0ubuntu1~20.04.2"
          },
          {
            "binary_name": "runc",
            "binary_version": "1.0.0~rc93-0ubuntu1~20.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "runc",
        "purl": "pkg:deb/ubuntu/runc@1.0.0~rc93-0ubuntu1~20.04.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.0~rc93-0ubuntu1~20.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.0~rc8+git20190923.3e425f80-0ubuntu1",
        "1.0.0~rc10-0ubuntu1",
        "1.0.0~rc93-0ubuntu1~20.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Etienne Champetier discovered that runC incorrectly checked mount targets.\nAn attacker with a malicious container image could possibly mount the host\nfilesystem into the container and escalate privileges.\n",
  "id": "USN-4960-1",
  "modified": "2026-02-10T04:42:12Z",
  "published": "2021-05-19T10:41:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4960-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-30465"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "runc vulnerability",
  "upstream": [
    "UBUNTU-CVE-2021-30465"
  ]
}



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Detection rules are retrieved from Rulezet.