FKIE_CVE-2006-2655

Vulnerability from fkie_nvd - Published: 2006-06-02 01:02 - Updated: 2026-06-16 22:25
Severity
Summary
The build process for ypserv in FreeBSD 5.3 up to 6.1 accidentally disables access restrictions when using the /var/yp/securenets file, which allows remote attackers to bypass intended access restrictions.
References
secteam@freebsd.orghttp://secunia.com/advisories/20389Patch, Vendor Advisory
secteam@freebsd.orghttp://security.freebsd.org/advisories/FreeBSD-SA-06:15.ypserv.ascPatch, Vendor Advisory
secteam@freebsd.orghttp://securitytracker.com/id?1016193
secteam@freebsd.orghttp://www.osvdb.org/25852
secteam@freebsd.orghttp://www.securityfocus.com/bid/18204Patch
secteam@freebsd.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/26792
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/20389Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://security.freebsd.org/advisories/FreeBSD-SA-06:15.ypserv.ascPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1016193
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/25852
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/18204Patch
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/26792
Impacted products
Vendor Product Version
freebsd freebsd 5.3
freebsd freebsd 5.3
freebsd freebsd 5.3
freebsd freebsd 5.3
freebsd freebsd 5.4
freebsd freebsd 5.4
freebsd freebsd 5.4
freebsd freebsd 5.4
freebsd freebsd 5.4
freebsd freebsd 6.0
freebsd freebsd 6.0
freebsd freebsd 6.0
freebsd freebsd 6.1
freebsd freebsd 6.1
freebsd freebsd 6.1
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secteam@freebsd.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:5.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "D8A80E6A-6502-4A33-83BA-7DCC606D79AA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:5.3:release:*:*:*:*:*:*",
              "matchCriteriaId": "0D6428EB-5E1A-41CB-979C-4C9402251D8B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:5.3:releng:*:*:*:*:*:*",
              "matchCriteriaId": "2DCA9879-C9F5-475A-8EC9-04D151001C8D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:5.3:stable:*:*:*:*:*:*",
              "matchCriteriaId": "0A94132F-4C47-49CC-B03C-8756613E9A38",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:5.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "AD85B1ED-1473-4C22-9E1E-53F07CF517E9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:5.4:pre-release:*:*:*:*:*:*",
              "matchCriteriaId": "46A60ED5-1D92-4B40-956F-D1801CAB9039",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:5.4:release:*:*:*:*:*:*",
              "matchCriteriaId": "3F629879-66F0-427B-86D8-D740E0E3F6E8",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "C89129C5-A1DB-4018-B43A-C60C8E650080",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:5.4:stable:*:*:*:*:*:*",
              "matchCriteriaId": "60F7B4A9-4036-4061-8F3D-BDC3F1282EC0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:6.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "1D2C79D5-D27F-4B08-A8DF-3E3AAF4E16A5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:6.0:release:*:*:*:*:*:*",
              "matchCriteriaId": "CCE4F2E6-2286-4D87-ADD7-7E999B4E5620",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:6.0:stable:*:*:*:*:*:*",
              "matchCriteriaId": "C07C3BEF-8D6A-4F23-96DE-AFE4369D08EF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:6.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "F4416CBA-76B9-4051-B015-F1BE89517309",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:6.1:release:*:*:*:*:*:*",
              "matchCriteriaId": "8C64EE9C-18E1-49C6-96DE-7E6F1607C0D7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:freebsd:freebsd:6.1:stable:*:*:*:*:*:*",
              "matchCriteriaId": "231B70A8-890A-4790-A33A-64228656BF0E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The build process for ypserv in FreeBSD 5.3 up to 6.1 accidentally disables access restrictions when using the /var/yp/securenets file, which allows remote attackers to bypass intended access restrictions."
    }
  ],
  "id": "CVE-2006-2655",
  "lastModified": "2026-06-16T22:25:28.470",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2006-06-02T01:02:00.000",
  "references": [
    {
      "source": "secteam@freebsd.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/20389"
    },
    {
      "source": "secteam@freebsd.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://security.freebsd.org/advisories/FreeBSD-SA-06:15.ypserv.asc"
    },
    {
      "source": "secteam@freebsd.org",
      "url": "http://securitytracker.com/id?1016193"
    },
    {
      "source": "secteam@freebsd.org",
      "url": "http://www.osvdb.org/25852"
    },
    {
      "source": "secteam@freebsd.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securityfocus.com/bid/18204"
    },
    {
      "source": "secteam@freebsd.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/26792"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/20389"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://security.freebsd.org/advisories/FreeBSD-SA-06:15.ypserv.asc"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://securitytracker.com/id?1016193"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.osvdb.org/25852"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securityfocus.com/bid/18204"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/26792"
    }
  ],
  "sourceIdentifier": "secteam@freebsd.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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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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