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{
"id": "CVE-2008-2020",
"sourceIdentifier": "cve@mitre.org",
"published": "2008-04-30T01:07:00.000",
"lastModified": "2018-10-11T20:38:49.687",
"vulnStatus": "Modified",
"descriptions": [
{
"lang": "en",
"value": "The CAPTCHA implementation as used in (1) Francisco Burzi PHP-Nuke 7.0 and 8.1, (2) my123tkShop e-Commerce-Suite (aka 123tkShop) 0.9.1, (3) phpMyBitTorrent 1.2.2, (4) TorrentFlux 2.3, (5) e107 0.7.11, (6) WebZE 0.5.9, (7) Open Media Collectors Database (aka OpenDb) 1.5.0b4, and (8) Labgab 1.1 uses a code_bg.jpg background image and the PHP ImageString function in a way that produces an insufficient number of different images, which allows remote attackers to pass the CAPTCHA test via an automated attack using a table of all possible image checksums and their corresponding digit strings."
},
{
"lang": "es",
"value": "La implementaci\u00f3n CAPTCHA como se utiliza en (1) Francisco Burzi PHP-Nuke 7.0 y 8.1, (2) my123tkShop e-Commerce-Suite (tambi\u00e9n conocido como 123tkShop) 0.9.1, (3) phpMyBitTorrent 1.2.2, (4) TorrentFlux 2.3, (5) e107 0.7.11, (6) WebZE 0.5.9, (7) Open Media Collectors Database (tambi\u00e9n conocido como OpenDb) 1.5.0b4, y (8) Labgab 1.1; utiliza una imagen de fondo code_bg.jpg y la funci\u00f3n de PHP ImageString de una forma que no produce un n\u00famero suficiente de im\u00e1genes diferentes; esto permite a atacantes remotos pasar el test CAPTCHA mediante un ataque autom\u00e1tico utilizando una tabla con todas las sumas de validaci\u00f3n (checksum) de im\u00e1genes posibles y sus cadenas de d\u00edgitos correspondientes."
}
],
"metrics": {
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"accessVector": "NETWORK",
"accessComplexity": "MEDIUM",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-264"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:a:e107:e107:0.7.11:*:*:*:*:*:*:*",
"matchCriteriaId": "5C62F8AD-EA30-441E-B97F-EF8DE640DC1B"
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"matchCriteriaId": "20B593A2-9634-4AA0-8D63-CECA6391BEED"
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],
"references": [
{
"url": "http://securityreason.com/securityalert/3834",
"source": "cve@mitre.org"
},
{
"url": "http://www.rooksecurity.com/blog/?p=6",
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/archive/1/491127/100/0/threaded",
"source": "cve@mitre.org"
},
{
"url": "http://www.securityfocus.com/bid/28877",
"source": "cve@mitre.org"
},
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42152",
"source": "cve@mitre.org"
}
]
}