Vulnerability-Lookup

OESA-2022-2089 (CVE-2018-17942)

Vulnerability from osv_openeuler – Published: 2022-11-11 11:05 – Updated: 2026-08-06 11:05 – 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

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{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "gnulib-debugsource-0-29.20180720git.oe2203.aarch64.rpm",
          "gnulib-help-0-29.20180720git.oe2203.aarch64.rpm",
          "gnulib-debuginfo-0-29.20180720git.oe2203.aarch64.rpm"
        ],
        "noarch": [
          "gnulib-devel-0-29.20180720git.oe2203.noarch.rpm"
        ],
        "src": [
          "gnulib-0-29.20180720git.oe2203.src.rpm"
        ],
        "x86_64": [
          "gnulib-help-0-29.20180720git.oe2203.x86_64.rpm",
          "gnulib-debuginfo-0-29.20180720git.oe2203.x86_64.rpm",
          "gnulib-debugsource-0-29.20180720git.oe2203.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS",
        "name": "gnulib",
        "purl": "pkg:rpm/openEuler/gnulib\u0026distro=openEuler-22.03-LTS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0-29.20180720git.oe2203"
            }
          ],
          "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-2022-2089",
  "modified": "2026-08-06T11:05:24Z",
  "published": "2022-11-11T11:05:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2089"
    },
    {
      "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

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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.

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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-2022-2089 (CVE-2018-17942)

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

Tags

Sightings

Nomenclature

Related by attack behaviour