Vulnerability-Lookup

FKIE_CVE-2018-1000221

Vulnerability from fkie_nvd - Published: 2018-08-20 20:29 - Updated: 2026-06-17 01:32

Severity

9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

pkgconf version 1.5.0 to 1.5.2 contains a Buffer Overflow vulnerability in dequote() that can result in dequote() function returns 1-byte allocation if initial length is 0, leading to buffer overflow. This attack appear to be exploitable via specially crafted .pc file. This vulnerability appears to have been fixed in 1.5.3.

References

	URL	Tags
	cve@mitre.org	https://git.dereferenced.org/pkgconf/pkgconf/pulls/3	Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://git.dereferenced.org/pkgconf/pkgconf/pulls/3	Third Party Advisory

Impacted products

	Vendor	Product	Version
	pkgconf	pkgconf	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pkgconf:pkgconf:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "08DB2F8B-F1A5-4B27-8347-8D8EF5741BFD",
              "versionEndIncluding": "1.5.2",
              "versionStartIncluding": "1.5.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "pkgconf version 1.5.0 to 1.5.2 contains a Buffer Overflow vulnerability in dequote() that can result in dequote() function returns 1-byte allocation if initial length is 0, leading to buffer overflow. This attack appear to be exploitable via specially crafted .pc file. This vulnerability appears to have been fixed in 1.5.3."
    },
    {
      "lang": "es",
      "value": "pkgconf desde la versi\u00f3n 1.5.0 hasta la 1.5.2 contiene una vulnerabilidad de desbordamiento de b\u00fafer en dequote() que puede resultar en en que la funci\u00f3ndequote() devuelva una asignaci\u00f3n de 1 byte si la longitud inicial es 0, provocando un desbordamiento de b\u00fafer. Este ataque parece ser explotable mediante un archivo .pc especialmente manipulado. La vulnerabilidad parece haber sido solucionada en la versi\u00f3n 1.5.3."
    }
  ],
  "id": "CVE-2018-1000221",
  "lastModified": "2026-06-17T01:32:42.447",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-08-20T20:29:01.190",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://git.dereferenced.org/pkgconf/pkgconf/pulls/3"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://git.dereferenced.org/pkgconf/pkgconf/pulls/3"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2018-1000221 (GCVE-0-2018-1000221)

Vulnerability from cvelistv5 – Published: 2018-08-20 20:00 – Updated: 2024-09-17 00:05

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2310 records in the last 180 days details

References

1 reference

URL	Tags
https://git.dereferenced.org/pkgconf/pkgconf/pulls/3	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T12:40:46.719Z",
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              "x_transferred"
            ],
            "url": "https://git.dereferenced.org/pkgconf/pkgconf/pulls/3"
          }
        ],
        "title": "CVE Program Container"
      }
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    "cna": {
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          "vendor": "n/a",
          "versions": [
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        }
      ],
      "problemTypes": [
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              "lang": "en",
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            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2018-08-20T20:00:00.000Z",
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          "url": "https://git.dereferenced.org/pkgconf/pkgconf/pulls/3"
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      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "DATE_ASSIGNED": "2018-08-02T16:41:53.511508",
          "DATE_REQUESTED": "2018-07-29T01:28:57",
          "ID": "CVE-2018-1000221",
          "REQUESTER": "nenolod@gmail.com",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "version": {
                        "version_data": [
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  "cveMetadata": {
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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.

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