usn-6940-2
Vulnerability from osv_ubuntu
Published
2025-01-13 10:16
Modified
2026-06-25 10:46
Summary
snapd vulnerabilities
Details

USN-6940-1 fixed vulnerabilities in snapd. This update provides the corresponding updates for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS.

Original advisory details:

Neil McPhail discovered that snapd did not properly restrict writes to the /home/jslarraz/bin path in the AppArmor profile for snaps using the home plug. An attacker who could convince a user to install a malicious snap could use this vulnerability to escape the snap sandbox. (CVE-2024-1724)

Zeyad Gouda discovered that snapd failed to properly check the file type when extracting a snap. An attacker who could convince a user to install a malicious snap containing non-regular files could then cause snapd to block indefinitely while trying to read from such files and cause a denial of service. (CVE-2024-29068)

Zeyad Gouda discovered that snapd failed to properly check the destination of symbolic links when extracting a snap. An attacker who could convince a user to install a malicious snap containing crafted symbolic links could then cause snapd to write out the contents of the symbolic link destination into a world-readable directory. This in-turn could allow a local unprivileged user to gain access to privileged information. (CVE-2024-29069)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-1724",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-29068",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-29069",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm1"
          },
          {
            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm1"
          },
          {
            "binary_name": "snap-confine",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm1"
          },
          {
            "binary_name": "snapd",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm1"
          },
          {
            "binary_name": "snapd-xdg-open",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm1"
          },
          {
            "binary_name": "ubuntu-core-launcher",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm1"
          },
          {
            "binary_name": "ubuntu-core-snapd-units",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm1"
          },
          {
            "binary_name": "ubuntu-snappy",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm1"
          },
          {
            "binary_name": "ubuntu-snappy-cli",
            "binary_version": "2.61.4ubuntu0.16.04.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "snapd",
        "purl": "pkg:deb/ubuntu/snapd@2.61.4ubuntu0.16.04.1+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.61.4ubuntu0.16.04.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9",
        "1.9.1.1",
        "1.9.2",
        "2.0",
        "2.0.1",
        "2.0.2",
        "2.0.3",
        "2.0.5",
        "2.0.8",
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        "2.20.1ubuntu1",
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        "2.32.9",
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        "2.34.2",
        "2.34.2ubuntu0.1",
        "2.37.4",
        "2.37.4ubuntu0.1",
        "2.38",
        "2.39.2",
        "2.39.2ubuntu0.2",
        "2.40",
        "2.42.1",
        "2.45.1",
        "2.45.1ubuntu0.2",
        "2.46.1",
        "2.47.1",
        "2.48",
        "2.48.3",
        "2.54.3+16.04~esm2",
        "2.54.3+16.04.0ubuntu0.1~esm3",
        "2.54.3+16.04.0ubuntu0.1~esm4",
        "2.54.3+16.04.0ubuntu0.1~esm5",
        "2.54.3+16.04.0ubuntu0.1~esm6"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-1724",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-29068",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-29069",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm1"
          },
          {
            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm1"
          },
          {
            "binary_name": "snap-confine",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm1"
          },
          {
            "binary_name": "snapd",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm1"
          },
          {
            "binary_name": "snapd-xdg-open",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm1"
          },
          {
            "binary_name": "ubuntu-core-launcher",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm1"
          },
          {
            "binary_name": "ubuntu-core-snapd-units",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm1"
          },
          {
            "binary_name": "ubuntu-snappy",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm1"
          },
          {
            "binary_name": "ubuntu-snappy-cli",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "snapd",
        "purl": "pkg:deb/ubuntu/snapd@2.61.4ubuntu0.18.04.1+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.61.4ubuntu0.18.04.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.28.5+17.10",
        "2.29.4.1+18.04",
        "2.29.4.2+18.04",
        "2.31.1+18.04",
        "2.32+18.04~pre5",
        "2.32+18.04~pre6",
        "2.32+18.04",
        "2.32.3.2+18.04",
        "2.32.5+18.04",
        "2.32.8+18.04",
        "2.32.9+18.04",
        "2.33.1+18.04ubuntu2",
        "2.34.2+18.04",
        "2.34.2+18.04.1",
        "2.37.1+18.04",
        "2.37.1.1+18.04",
        "2.37.4+18.04",
        "2.37.4+18.04.1",
        "2.38+18.04",
        "2.39.2+18.04",
        "2.40+18.04",
        "2.42.1+18.04",
        "2.45.1+18.04",
        "2.45.1+18.04.2",
        "2.46.1+18.04",
        "2.47.1+18.04",
        "2.48+18.04",
        "2.48.3+18.04",
        "2.49.2+18.04",
        "2.51.1+18.04",
        "2.54.2+18.04ubuntu1",
        "2.54.3+18.04",
        "2.54.3+18.04.2ubuntu0.1",
        "2.54.3+18.04.2ubuntu0.2",
        "2.55.5+18.04",
        "2.57.5+18.04",
        "2.57.5+18.04ubuntu0.1",
        "2.58+18.04",
        "2.58+18.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-6940-1 fixed vulnerabilities in snapd. This update provides the \ncorresponding updates for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS.\n\nOriginal advisory details:\n\n Neil McPhail discovered that snapd did not properly restrict writes to\n the /home/jslarraz/bin path in the AppArmor profile for snaps using the home\n plug. An attacker who could convince a user to install a malicious snap\n could use this vulnerability to escape the snap sandbox. (CVE-2024-1724)\n \n Zeyad Gouda discovered that snapd failed to properly check the file type\n when extracting a snap. An attacker who could convince a user to install\n a malicious snap containing non-regular files could then cause snapd to\n block indefinitely while trying to read from such files and cause a\n denial of service. (CVE-2024-29068)\n \n Zeyad Gouda discovered that snapd failed to properly check the\n destination of symbolic links when extracting a snap. An attacker who\n could convince a user to install a malicious snap containing crafted\n symbolic links could then cause snapd to write out the contents of the\n symbolic link destination into a world-readable directory. This in-turn\n could allow a local unprivileged user to gain access to privileged\n information. (CVE-2024-29069)\n",
  "id": "USN-6940-2",
  "modified": "2026-06-25T10:46:26Z",
  "published": "2025-01-13T10:16:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6940-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-1724"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-29068"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-29069"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "snapd vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2024-1724",
    "UBUNTU-CVE-2024-29068",
    "UBUNTU-CVE-2024-29069"
  ]
}



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