vuln-ubuntu/data/osv/usn/USN-6198-1.json

{
  "schema_version": "1.7.0",
  "id": "USN-6198-1",
  "summary": "screen vulnerability",
  "details": "It was discovered that GNU Screen was not properly checking user\nidentifiers before sending certain signals to target processes. If GNU\nScreen was installed as setuid or setgid, a local attacker could possibly\nuse this issue to cause a denial of service on a target application.\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2023-24626"
  ],
  "related": [],
  "published": "2023-07-03T12:53:20Z",
  "modified": "2026-06-29T10:53:02Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "screen",
        "purl": "pkg:deb/ubuntu/screen@4.1.0~20120320gitdb59704-9ubuntu0.1~esm3?arch=source&distro=trusty/esm"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.0~20120320gitdb59704-9ubuntu0.1~esm3"
            }
          ]
        }
      ],
      "versions": [
        "4.0.3-14ubuntu10",
        "4.1.0~20120320gitdb59704-9",
        "4.1.0~20120320gitdb59704-9ubuntu0.1~esm1",
        "4.1.0~20120320gitdb59704-9ubuntu0.1~esm2"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "screen",
            "binary_version": "4.1.0~20120320gitdb59704-9ubuntu0.1~esm3"
          }
        ],
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:Pro:14.04:LTS",
          "cves": [
            {
              "id": "CVE-2023-24626",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "low"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "screen",
        "purl": "pkg:deb/ubuntu/screen@4.3.1-2ubuntu0.1+esm1?arch=source&distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3.1-2ubuntu0.1+esm1"
            }
          ]
        }
      ],
      "versions": [
        "4.3.1-2",
        "4.3.1-2build1",
        "4.3.1-2ubuntu0.1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "screen",
            "binary_version": "4.3.1-2ubuntu0.1+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-2023-24626",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "low"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "screen",
        "purl": "pkg:deb/ubuntu/screen@4.6.2-1ubuntu1.1+esm1?arch=source&distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.6.2-1ubuntu1.1+esm1"
            }
          ]
        }
      ],
      "versions": [
        "4.6.1-1",
        "4.6.2-1",
        "4.6.2-1ubuntu1",
        "4.6.2-1ubuntu1.1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "screen",
            "binary_version": "4.6.2-1ubuntu1.1+esm1"
          }
        ],
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:Pro:18.04:LTS",
          "cves": [
            {
              "id": "CVE-2023-24626",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "low"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6198-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-24626"
    }
  ]
}