FKIE_CVE-2005-0687

Vulnerability from fkie_nvd - Published: 2005-03-06 05:00 - Updated: 2026-06-16 22:11
Severity
Summary
Format string vulnerability in Hashcash 1.16 allows remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via format string specifiers in a reply address, which is not properly handled when printing the header.
References
cve@mitre.orghttp://bugs.gentoo.org/show_bug.cgi?id=83541Patch, Vendor Advisory
cve@mitre.orghttp://secunia.com/advisories/14487Patch, Vendor Advisory
cve@mitre.orghttp://www.gentoo.org/security/en/glsa/glsa-200503-12.xmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://bugs.gentoo.org/show_bug.cgi?id=83541Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/14487Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.gentoo.org/security/en/glsa/glsa-200503-12.xmlPatch, Vendor Advisory
Impacted products
Vendor Product Version
hashcash hashcash 1.14
hashcash hashcash 1.15
hashcash hashcash 1.16
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hashcash:hashcash:1.14:*:*:*:*:*:*:*",
              "matchCriteriaId": "6152DF4C-DE31-4724-BEFF-1F5081D044F7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:hashcash:hashcash:1.15:*:*:*:*:*:*:*",
              "matchCriteriaId": "ECD231A8-E9B7-4B1C-A9FD-0448D51FC99F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:hashcash:hashcash:1.16:*:*:*:*:*:*:*",
              "matchCriteriaId": "C07E038B-91DB-4539-95D8-55F0A50AEDE2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Format string vulnerability in Hashcash 1.16 allows remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via format string specifiers in a reply address, which is not properly handled when printing the header."
    }
  ],
  "id": "CVE-2005-0687",
  "lastModified": "2026-06-16T22:11:35.027",
  "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": true,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2005-03-06T05:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=83541"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/14487"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Vendor Advisory"
      ],
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200503-12.xml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=83541"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/14487"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200503-12.xml"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


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