FKIE_CVE-2008-3903
Vulnerability from fkie_nvd - Published: 2008-09-04 19:41 - Updated: 2026-06-16 22:56
Severity
Summary
Asterisk Open Source 1.2.x before 1.2.32, 1.4.x before 1.4.24.1, and 1.6.0.x before 1.6.0.8; Asterisk Business Edition A.x.x, B.x.x before B.2.5.8, C.1.x.x before C.1.10.5, and C.2.x.x before C.2.3.3; s800i 1.3.x before 1.3.0.2; and Trixbox PBX 2.6.1, when Digest authentication and authalwaysreject are enabled, generates different responses depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames.
References
{
"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:asterisk:p_b_x:1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "7CE2414C-4DA8-42BB-BF9A-21850C5D60D3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:asterisk:p_b_x:1.2.22:*:*:*:*:*:*:*",
"matchCriteriaId": "90F13AAE-CB97-4EF1-8407-760FB219EAD9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:asterisk:p_b_x:1.4.21.1:*:*:*:*:*:*:*",
"matchCriteriaId": "9A77D2E4-2C33-4208-A760-D102B91E511A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:asterisk:p_b_x:1.6:*:*:*:*:*:*:*",
"matchCriteriaId": "15BBAB9C-20A4-48CE-B0EF-5D99E87E20F7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:trixbox:pbx:2.6.1:*:*:*:*:*:*:*",
"matchCriteriaId": "C75A09A7-25CF-4D58-8517-6FB311DA1F1B",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Asterisk Open Source 1.2.x before 1.2.32, 1.4.x before 1.4.24.1, and 1.6.0.x before 1.6.0.8; Asterisk Business Edition A.x.x, B.x.x before B.2.5.8, C.1.x.x before C.1.10.5, and C.2.x.x before C.2.3.3; s800i 1.3.x before 1.3.0.2; and Trixbox PBX 2.6.1, when Digest authentication and authalwaysreject are enabled, generates different responses depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames."
},
{
"lang": "es",
"value": "Asterisk PBX 1.2 a la v.1.6 y Trixbox PBX 2.6.1, cuando se ejecuta con autenticaci\u00f3n Digest y authalwaysreject activadas, genera diferentes respuestas dependiendo de si un nombre de usuario SIP es v\u00e1lido o no, lo que permite a atacantes remotos el listar nombres de usuario v\u00e1lidos."
}
],
"evaluatorComment": "Additional details can be found here: http://www.voipsa.org/pipermail/voipsec_voipsa.org/2006-May/001628.html",
"id": "CVE-2008-3903",
"lastModified": "2026-06-16T22:56:46.497",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:S/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2008-09-04T19:41:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://downloads.asterisk.org/pub/security/AST-2009-003.html"
},
{
"source": "cve@mitre.org",
"url": "http://misel.com/?p=52"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/34982"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/37677"
},
{
"source": "cve@mitre.org",
"url": "http://security.gentoo.org/glsa/glsa-200905-01.xml"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2009/dsa-1952"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/34353"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2009/0933"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/45059"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://downloads.asterisk.org/pub/security/AST-2009-003.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://misel.com/?p=52"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/34982"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/37677"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200905-01.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2009/dsa-1952"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/34353"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2009/0933"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/45059"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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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
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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.
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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.
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