fkie_cve-2006-0805
Vulnerability from fkie_nvd
Published
2006-02-21 02:02
Modified
2025-04-03 01:03
Severity ?
Summary
The CAPTCHA functionality in php-Nuke 6.0 through 7.9 uses fixed challenge/response pairs that only vary once per day based on the User Agent (HTTP_USER_AGENT), which allows remote attackers to bypass CAPTCHA controls by fixing the User Agent, performing a valid challenge/response, then replaying that pair in the random_num and gfx_check parameters.
References
cve@mitre.orghttp://secunia.com/advisories/18936
cve@mitre.orghttp://securityreason.com/securityalert/455
cve@mitre.orghttp://www.securityfocus.com/archive/1/425394/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/bid/16722Exploit
cve@mitre.orghttp://www.waraxe.us/advisory-45.htmlExploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18936
af854a3a-2127-422b-91ae-364da2661108http://securityreason.com/securityalert/455
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/425394/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/16722Exploit
af854a3a-2127-422b-91ae-364da2661108http://www.waraxe.us/advisory-45.htmlExploit, Vendor Advisory
Impacted products
Vendor Product Version
francisco_burzi php-nuke 6.0
francisco_burzi php-nuke 6.5
francisco_burzi php-nuke 6.5_beta1
francisco_burzi php-nuke 6.5_final
francisco_burzi php-nuke 6.5_rc1
francisco_burzi php-nuke 6.5_rc2
francisco_burzi php-nuke 6.5_rc3
francisco_burzi php-nuke 6.6
francisco_burzi php-nuke 6.7
francisco_burzi php-nuke 6.9
francisco_burzi php-nuke 7.0
francisco_burzi php-nuke 7.0_final
francisco_burzi php-nuke 7.1
francisco_burzi php-nuke 7.2
francisco_burzi php-nuke 7.3
francisco_burzi php-nuke 7.4
francisco_burzi php-nuke 7.5
francisco_burzi php-nuke 7.6
francisco_burzi php-nuke 7.7
francisco_burzi php-nuke 7.8
francisco_burzi php-nuke 7.9


To clipboard 

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              "vulnerable": true
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The CAPTCHA functionality in php-Nuke 6.0 through 7.9 uses fixed challenge/response pairs that only vary once per day based on the User Agent (HTTP_USER_AGENT), which allows remote attackers to bypass CAPTCHA controls by fixing the User Agent, performing a valid challenge/response, then replaying that pair in the random_num and gfx_check parameters."
    }
  ],
  "id": "CVE-2006-0805",
  "lastModified": "2025-04-03T01:03:51.193",
  "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": true,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2006-02-21T02:02:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/18936"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://securityreason.com/securityalert/455"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/archive/1/425394/100/0/threaded"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.securityfocus.com/bid/16722"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "http://www.waraxe.us/advisory-45.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/18936"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://securityreason.com/securityalert/455"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/archive/1/425394/100/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://www.securityfocus.com/bid/16722"
    },
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      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "http://www.waraxe.us/advisory-45.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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