Vulnerability-Lookup

OESA-2023-1129 (CVE-2022-46663)

Vulnerability from osv_openeuler – Published: 2023-02-24 11:05 – Updated: 2026-08-06 11:05 – Source website

Summary

less security update

Details

Less is a pager. A pager is a program that displays text files.Other pagers commonly in use are more and pg. Pagers are often used in command-line environments like the Unix shell and the MS-DOS command prompt to display files.Less is not an editor. You can't change the contents of the file you're viewing. Less is not a windowing system. It doesn't have fancy scroll bars or other GUI (graphical user interface) elements.

Security Fix(es):

In GNU Less before 609, crafted data can result in "less -R" not filtering ANSI escape sequences sent to the terminal.(CVE-2022-46663)

Severity

5.5 (Medium)


                    
                      CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

URL

Type

	https://www.openeuler.org/en/security/safety-bull…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2022-46663	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "less-debuginfo-590-2.oe1.aarch64.rpm",
          "less-debugsource-590-2.oe1.aarch64.rpm",
          "less-590-2.oe1.aarch64.rpm"
        ],
        "noarch": [
          "less-help-590-2.oe1.noarch.rpm"
        ],
        "src": [
          "less-590-2.oe1.src.rpm"
        ],
        "x86_64": [
          "less-debuginfo-590-2.oe1.x86_64.rpm",
          "less-debugsource-590-2.oe1.x86_64.rpm",
          "less-590-2.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP1",
        "name": "less",
        "purl": "pkg:rpm/openEuler/less\u0026distro=openEuler-20.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "590-2.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "less-590-2.oe1.aarch64.rpm",
          "less-debugsource-590-2.oe1.aarch64.rpm",
          "less-debuginfo-590-2.oe1.aarch64.rpm"
        ],
        "noarch": [
          "less-help-590-2.oe1.noarch.rpm"
        ],
        "src": [
          "less-590-2.oe1.src.rpm"
        ],
        "x86_64": [
          "less-590-2.oe1.x86_64.rpm",
          "less-debugsource-590-2.oe1.x86_64.rpm",
          "less-debuginfo-590-2.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP3",
        "name": "less",
        "purl": "pkg:rpm/openEuler/less\u0026distro=openEuler-20.03-LTS-SP3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "590-2.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "less-590-4.oe2203.aarch64.rpm",
          "less-debuginfo-590-4.oe2203.aarch64.rpm",
          "less-debugsource-590-4.oe2203.aarch64.rpm",
          "less-590-4.oe2203sp1.aarch64.rpm",
          "less-debuginfo-590-4.oe2203sp1.aarch64.rpm",
          "less-debugsource-590-4.oe2203sp1.aarch64.rpm"
        ],
        "noarch": [
          "less-help-590-4.oe2203.noarch.rpm",
          "less-help-590-4.oe2203sp1.noarch.rpm"
        ],
        "src": [
          "less-590-4.oe2203.src.rpm",
          "less-590-4.oe2203sp1.src.rpm"
        ],
        "x86_64": [
          "less-debugsource-590-4.oe2203.x86_64.rpm",
          "less-590-4.oe2203.x86_64.rpm",
          "less-debuginfo-590-4.oe2203.x86_64.rpm",
          "less-debuginfo-590-4.oe2203sp1.x86_64.rpm",
          "less-590-4.oe2203sp1.x86_64.rpm",
          "less-debugsource-590-4.oe2203sp1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS",
        "name": "less",
        "purl": "pkg:rpm/openEuler/less\u0026distro=openEuler-22.03-LTS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "590-4.oe2203sp1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "less-590-4.oe2203sp1.aarch64.rpm",
          "less-debuginfo-590-4.oe2203sp1.aarch64.rpm",
          "less-debugsource-590-4.oe2203sp1.aarch64.rpm"
        ],
        "noarch": [
          "less-help-590-4.oe2203sp1.noarch.rpm"
        ],
        "src": [
          "less-590-4.oe2203sp1.src.rpm"
        ],
        "x86_64": [
          "less-debuginfo-590-4.oe2203sp1.x86_64.rpm",
          "less-590-4.oe2203sp1.x86_64.rpm",
          "less-debugsource-590-4.oe2203sp1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP1",
        "name": "less",
        "purl": "pkg:rpm/openEuler/less\u0026distro=openEuler-22.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "590-4.oe2203sp1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "Less is a pager. A pager is a program that displays text files.Other pagers commonly in use are more and pg. Pagers are often used in command-line environments like the Unix shell and the MS-DOS command prompt to display files.Less is not an editor. You can\u0027t change the contents of the file you\u0027re viewing. Less is not a windowing system. It doesn\u0027t have fancy scroll bars or other GUI (graphical user interface) elements.\r\n\r\nSecurity Fix(es):\r\n\r\nIn GNU Less before 609, crafted data can result in \u0026quot;less -R\u0026quot; not filtering ANSI escape sequences sent to the terminal.(CVE-2022-46663)",
  "id": "OESA-2023-1129",
  "modified": "2026-08-06T11:05:36Z",
  "published": "2023-02-24T11:05:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1129"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-46663"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "less security update",
  "upstream": [
    "CVE-2022-46663"
  ]
}

CVE-2022-46663 (GCVE-0-2022-46663)

Vulnerability from cvelistv5 – Published: 2023-02-07 00:00 – Updated: 2025-03-25 14:40

Summary

In GNU Less before 609, crafted data can result in "less -R" not filtering ANSI escape sequences sent to the terminal.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-25 14:39 UTC

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://github.com/gwsw/less/commit/a78e1351113ce…
http://www.greenwoodsoftware.com/less/news.609.html
https://www.openwall.com/lists/oss-security/2023/…
http://www.openwall.com/lists/oss-security/2023/02/07/7	mailing-list
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://security.gentoo.org/glsa/202310-11	vendor-advisory

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T14:39:38.500Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/gwsw/less/commit/a78e1351113cef564d790a730d657a321624d79c"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.greenwoodsoftware.com/less/news.609.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2023/02/07/7"
          },
          {
            "name": "[oss-security] 20230207 CVE-2022-46663: less -R filtering bypass",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2023/02/07/7"
          },
          {
            "name": "FEDORA-2023-71442d7613",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LR7AUWB34JD4PCW3HHASBEDGGHFWPAQP/"
          },
          {
            "name": "GLSA-202310-11",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202310-11"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-46663",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-25T14:39:18.318818Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "description": "CWE-noinfo Not enough information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-25T14:40:07.637Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In GNU Less before 609, crafted data can result in \"less -R\" not filtering ANSI escape sequences sent to the terminal."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-10T07:06:15.448Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/gwsw/less/commit/a78e1351113cef564d790a730d657a321624d79c"
        },
        {
          "url": "http://www.greenwoodsoftware.com/less/news.609.html"
        },
        {
          "url": "https://www.openwall.com/lists/oss-security/2023/02/07/7"
        },
        {
          "name": "[oss-security] 20230207 CVE-2022-46663: less -R filtering bypass",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2023/02/07/7"
        },
        {
          "name": "FEDORA-2023-71442d7613",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LR7AUWB34JD4PCW3HHASBEDGGHFWPAQP/"
        },
        {
          "name": "GLSA-202310-11",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202310-11"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2022-46663",
    "datePublished": "2023-02-07T00:00:00.000Z",
    "dateReserved": "2022-12-06T00:00:00.000Z",
    "dateUpdated": "2025-03-25T14:40:07.637Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OESA-2023-1129 (CVE-2022-46663)

CVE-2022-46663 (GCVE-0-2022-46663)

Tags

Sightings

Nomenclature

Related by attack behaviour