ubuntu-cve-2022-4170
Vulnerability from osv_ubuntu
Published
2022-12-09 18:15
Modified
2026-05-20 14:55
Summary
Details

The rxvt-unicode package is vulnerable to a remote code execution, in the Perl background extension, when an attacker can control the data written to the user's terminal and certain options are set.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rxvt-unicode",
            "binary_version": "9.21-1build1"
          },
          {
            "binary_name": "rxvt-unicode-256color",
            "binary_version": "9.21-1build1"
          },
          {
            "binary_name": "rxvt-unicode-lite",
            "binary_version": "9.21-1build1"
          },
          {
            "binary_name": "rxvt-unicode-ml",
            "binary_version": "9.21-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "rxvt-unicode",
        "purl": "pkg:deb/ubuntu/rxvt-unicode@9.21-1build1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.21-1",
        "9.21-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "aterm",
            "binary_version": "9.22-3"
          },
          {
            "binary_name": "aterm-ml",
            "binary_version": "9.22-3"
          },
          {
            "binary_name": "rxvt",
            "binary_version": "1:2.7.10-7.1+urxvt9.22-3"
          },
          {
            "binary_name": "rxvt-ml",
            "binary_version": "1:2.7.10-7.1+urxvt9.22-3"
          },
          {
            "binary_name": "rxvt-unicode",
            "binary_version": "9.22-3"
          },
          {
            "binary_name": "rxvt-unicode-256color",
            "binary_version": "9.22-3"
          },
          {
            "binary_name": "rxvt-unicode-lite",
            "binary_version": "9.22-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "rxvt-unicode",
        "purl": "pkg:deb/ubuntu/rxvt-unicode@9.22-3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.22-1build2",
        "9.22-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "aterm",
            "binary_version": "9.22-6build3"
          },
          {
            "binary_name": "aterm-ml",
            "binary_version": "9.22-6build3"
          },
          {
            "binary_name": "rxvt",
            "binary_version": "1:2.7.10-7.1+urxvt9.22-6build3"
          },
          {
            "binary_name": "rxvt-ml",
            "binary_version": "1:2.7.10-7.1+urxvt9.22-6build3"
          },
          {
            "binary_name": "rxvt-unicode",
            "binary_version": "9.22-6build3"
          },
          {
            "binary_name": "rxvt-unicode-256color",
            "binary_version": "9.22-6build3"
          },
          {
            "binary_name": "rxvt-unicode-lite",
            "binary_version": "9.22-6build3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "rxvt-unicode",
        "purl": "pkg:deb/ubuntu/rxvt-unicode@9.22-6build3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.22-6build1",
        "9.22-6build2",
        "9.22-6build3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rxvt-unicode",
            "binary_version": "9.30-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "rxvt-unicode",
        "purl": "pkg:deb/ubuntu/rxvt-unicode@9.30-2build1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.22-11",
        "9.26-2",
        "9.30-1",
        "9.30-2",
        "9.30-2build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rxvt-unicode",
            "binary_version": "9.31-3build2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "rxvt-unicode",
        "purl": "pkg:deb/ubuntu/rxvt-unicode@9.31-3build2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.31-1",
        "9.31-2",
        "9.31-3",
        "9.31-3build1",
        "9.31-3build2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rxvt-unicode",
            "binary_version": "9.31-3build3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "rxvt-unicode",
        "purl": "pkg:deb/ubuntu/rxvt-unicode@9.31-3build3?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.31-3build3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "rxvt-unicode",
            "binary_version": "9.31-3build4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "rxvt-unicode",
        "purl": "pkg:deb/ubuntu/rxvt-unicode@9.31-3build4?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.31-3build3",
        "9.31-3build4"
      ]
    }
  ],
  "aliases": [],
  "details": "The rxvt-unicode package is vulnerable to a remote code execution, in the Perl background extension, when an attacker can control the data written to the user\u0027s terminal and certain options are set.",
  "id": "UBUNTU-CVE-2022-4170",
  "modified": "2026-05-20T14:55:37Z",
  "published": "2022-12-09T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-4170"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2022/12/05/1"
    },
    {
      "type": "REPORT",
      "url": "http://cvs.schmorp.de/rxvt-unicode/src/perl/background?r1=1.105\u0026r2=1.109"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-4170"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2022-4170"
  ]
}



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