Vulnerability-Lookup

OESA-2022-1558 (CVE-2018-17942)

Vulnerability from osv_openeuler – Published: 2022-03-07 11:04 – Updated: 2026-08-06 11:04 – Source website

Summary

gnulib security update

Details

Gnulib is a central location for common GNU code, intended to be shared among GNU packages. It can be used to improve portability and other functionality in your programs.

Security Fix(es):

The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.(CVE-2018-17942)

Severity

8.8 (High)


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

References

URL

Type

	https://www.openeuler.org/en/security/safety-bull…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2018-17942	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "gnulib-debugsource-0-29.20180720git.oe1.aarch64.rpm",
          "gnulib-help-0-29.20180720git.oe1.aarch64.rpm",
          "gnulib-debuginfo-0-29.20180720git.oe1.aarch64.rpm"
        ],
        "noarch": [
          "gnulib-devel-0-29.20180720git.oe1.noarch.rpm"
        ],
        "src": [
          "gnulib-0-29.20180720git.oe1.src.rpm"
        ],
        "x86_64": [
          "gnulib-debuginfo-0-29.20180720git.oe1.x86_64.rpm",
          "gnulib-help-0-29.20180720git.oe1.x86_64.rpm",
          "gnulib-debugsource-0-29.20180720git.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP1",
        "name": "gnulib",
        "purl": "pkg:rpm/openEuler/gnulib\u0026distro=openEuler-20.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0-29.20180720git.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "gnulib-help-0-29.20180720git.oe1.aarch64.rpm",
          "gnulib-debuginfo-0-29.20180720git.oe1.aarch64.rpm",
          "gnulib-debugsource-0-29.20180720git.oe1.aarch64.rpm"
        ],
        "noarch": [
          "gnulib-devel-0-29.20180720git.oe1.noarch.rpm"
        ],
        "src": [
          "gnulib-0-29.20180720git.oe1.src.rpm"
        ],
        "x86_64": [
          "gnulib-help-0-29.20180720git.oe1.x86_64.rpm",
          "gnulib-debuginfo-0-29.20180720git.oe1.x86_64.rpm",
          "gnulib-debugsource-0-29.20180720git.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP2",
        "name": "gnulib",
        "purl": "pkg:rpm/openEuler/gnulib\u0026distro=openEuler-20.03-LTS-SP2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0-29.20180720git.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "gnulib-debuginfo-0-29.20180720git.oe1.aarch64.rpm",
          "gnulib-help-0-29.20180720git.oe1.aarch64.rpm",
          "gnulib-debugsource-0-29.20180720git.oe1.aarch64.rpm"
        ],
        "noarch": [
          "gnulib-devel-0-29.20180720git.oe1.noarch.rpm"
        ],
        "src": [
          "gnulib-0-29.20180720git.oe1.src.rpm"
        ],
        "x86_64": [
          "gnulib-help-0-29.20180720git.oe1.x86_64.rpm",
          "gnulib-debugsource-0-29.20180720git.oe1.x86_64.rpm",
          "gnulib-debuginfo-0-29.20180720git.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP3",
        "name": "gnulib",
        "purl": "pkg:rpm/openEuler/gnulib\u0026distro=openEuler-20.03-LTS-SP3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0-29.20180720git.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "Gnulib is a central location for common GNU code, intended to be shared among GNU packages. It can be used to improve portability and other functionality in your programs.\r\n\r\nSecurity Fix(es):\r\n\r\nThe convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing \u0026apos;\\0\u0026apos; character during %f processing.(CVE-2018-17942)",
  "id": "OESA-2022-1558",
  "modified": "2026-08-06T11:04:50Z",
  "published": "2022-03-07T11:04:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1558"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-17942"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "gnulib security update",
  "upstream": [
    "CVE-2018-17942"
  ]
}

CVE-2018-17942 (GCVE-0-2018-17942)

Vulnerability from cvelistv5 – Published: 2018-10-03 08:00 – Updated: 2024-08-05 11:01

Summary

The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://github.com/coreutils/gnulib/commit/278b41…	x_refsource_MISC
https://savannah.gnu.org/bugs/?func=detailitem&it…	x_refsource_MISC
https://lists.gnu.org/archive/html/bug-gnulib/201…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Date Public

2018-10-03 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T11:01:14.605Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://savannah.gnu.org/bugs/?func=detailitem\u0026item_id=54686"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.html"
          },
          {
            "name": "FEDORA-2020-acac61cfd0",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5UQRNQE6XHMD5UYYHAU3VQWAYHIPMQS/"
          },
          {
            "name": "FEDORA-2020-663f619e9c",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGHTVYH3KAFN34QXNSGEQDSTV7MCOQW/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-10-03T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing \u0027\\0\u0027 character during %f processing."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-01-17T06:06:03.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://savannah.gnu.org/bugs/?func=detailitem\u0026item_id=54686"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.html"
        },
        {
          "name": "FEDORA-2020-acac61cfd0",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5UQRNQE6XHMD5UYYHAU3VQWAYHIPMQS/"
        },
        {
          "name": "FEDORA-2020-663f619e9c",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGHTVYH3KAFN34QXNSGEQDSTV7MCOQW/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-17942",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing \u0027\\0\u0027 character during %f processing."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35",
              "refsource": "MISC",
              "url": "https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35"
            },
            {
              "name": "https://savannah.gnu.org/bugs/?func=detailitem\u0026item_id=54686",
              "refsource": "MISC",
              "url": "https://savannah.gnu.org/bugs/?func=detailitem\u0026item_id=54686"
            },
            {
              "name": "https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.html",
              "refsource": "MISC",
              "url": "https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.html"
            },
            {
              "name": "FEDORA-2020-acac61cfd0",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5UQRNQE6XHMD5UYYHAU3VQWAYHIPMQS/"
            },
            {
              "name": "FEDORA-2020-663f619e9c",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMGHTVYH3KAFN34QXNSGEQDSTV7MCOQW/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-17942",
    "datePublished": "2018-10-03T08:00:00.000Z",
    "dateReserved": "2018-10-03T00:00:00.000Z",
    "dateUpdated": "2024-08-05T11:01:14.605Z",
    "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-2022-1558 (CVE-2018-17942)

CVE-2018-17942 (GCVE-0-2018-17942)

Tags

Sightings

Nomenclature

Related by attack behaviour