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UBUNTU-CVE-2024-5742 (CVE-2024-5742)

Vulnerability from osv_ubuntu – Published: 2024-06-12 09:15 – Updated: 2025-09-08 16:58 – Source website
VLAI
Details

A vulnerability was found in GNU Nano that allows a possible privilege escalation through an insecure temporary file. If Nano is killed while editing, a file it saves to an emergency file with the permissions of the running user provides a window of opportunity for attackers to escalate privileges through a malicious symlink.

Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
6.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "nano",
            "binary_version": "2.2.6-1ubuntu1+esm1"
          },
          {
            "binary_name": "nano-tiny",
            "binary_version": "2.2.6-1ubuntu1+esm1"
          }
        ],
        "priority_reason": "Uncommon attack scenario"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "nano",
        "purl": "pkg:deb/ubuntu/nano@2.2.6-1ubuntu1+esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.6-1ubuntu1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.6-1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "nano",
            "binary_version": "2.5.3-2ubuntu2+esm1"
          },
          {
            "binary_name": "nano-tiny",
            "binary_version": "2.5.3-2ubuntu2+esm1"
          }
        ],
        "priority_reason": "Uncommon attack scenario"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "nano",
        "purl": "pkg:deb/ubuntu/nano@2.5.3-2ubuntu2+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.5.3-2ubuntu2+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.2-1",
        "2.4.2-1ubuntu1",
        "2.4.3-1",
        "2.5.0-1",
        "2.5.1-1",
        "2.5.2-1",
        "2.5.3-2",
        "2.5.3-2ubuntu1",
        "2.5.3-2ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "nano",
            "binary_version": "2.9.3-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "nano-tiny",
            "binary_version": "2.9.3-2ubuntu0.1~esm1"
          }
        ],
        "priority_reason": "Uncommon attack scenario"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "nano",
        "purl": "pkg:deb/ubuntu/nano@2.9.3-2ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.9.3-2ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.8.6-3",
        "2.8.7-1",
        "2.9.0-1",
        "2.9.1-1",
        "2.9.2-1",
        "2.9.3-1",
        "2.9.3-2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "nano",
            "binary_version": "4.8-1ubuntu1.1"
          },
          {
            "binary_name": "nano-tiny",
            "binary_version": "4.8-1ubuntu1.1"
          }
        ],
        "priority_reason": "Uncommon attack scenario"
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "nano",
        "purl": "pkg:deb/ubuntu/nano@4.8-1ubuntu1.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.8-1ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.3-1",
        "4.5-1",
        "4.7-1",
        "4.7-2",
        "4.8-1",
        "4.8-1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "nano",
            "binary_version": "6.2-1ubuntu0.1"
          },
          {
            "binary_name": "nano-tiny",
            "binary_version": "6.2-1ubuntu0.1"
          }
        ],
        "priority_reason": "Uncommon attack scenario"
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "nano",
        "purl": "pkg:deb/ubuntu/nano@6.2-1ubuntu0.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.2-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.6.1-1build1",
        "5.9-1",
        "6.0-1",
        "6.1-1",
        "6.2-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "nano",
            "binary_version": "7.2-2ubuntu0.1"
          },
          {
            "binary_name": "nano-tiny",
            "binary_version": "7.2-2ubuntu0.1"
          }
        ],
        "priority_reason": "Uncommon attack scenario"
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "nano",
        "purl": "pkg:deb/ubuntu/nano@7.2-2ubuntu0.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.2-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.2-1",
        "7.2-2",
        "7.2-2build1"
      ]
    }
  ],
  "aliases": [],
  "details": "A vulnerability was found in GNU Nano that allows a possible privilege escalation through an insecure temporary file. If Nano is killed while editing, a file it saves to an emergency file with the permissions of the running user provides a window of opportunity for attackers to escalate privileges through a malicious symlink.",
  "id": "UBUNTU-CVE-2024-5742",
  "modified": "2025-09-08T16:58:55Z",
  "published": "2024-06-12T09:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-5742"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-5742"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7064-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7064-2"
    }
  ],
  "related": [
    "USN-7064-1",
    "USN-7064-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-5742"
  ]
}



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