FKIE_CVE-2008-4109
Vulnerability from fkie_nvd - Published: 2008-09-18 15:04 - Updated: 2025-04-09 00:30
Severity ?
Summary
A certain Debian patch for OpenSSH before 4.3p2-9etch3 on etch; before 4.6p1-1 on sid and lenny; and on other distributions such as SUSE uses functions that are not async-signal-safe in the signal handler for login timeouts, which allows remote attackers to cause a denial of service (connection slot exhaustion) via multiple login attempts. NOTE: this issue exists because of an incorrect fix for CVE-2006-5051.
References
Impacted products
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],
"negate": false,
"operator": "OR"
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],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A certain Debian patch for OpenSSH before 4.3p2-9etch3 on etch; before 4.6p1-1 on sid and lenny; and on other distributions such as SUSE uses functions that are not async-signal-safe in the signal handler for login timeouts, which allows remote attackers to cause a denial of service (connection slot exhaustion) via multiple login attempts. NOTE: this issue exists because of an incorrect fix for CVE-2006-5051."
},
{
"lang": "es",
"value": "Cierto parche de Debian para OpenSSH en versiones anteriores a 4.3p2-9etch3 en etch, y versiones anteriores a 4.6p1-1 en sid y lenny, que utiliza funciones que no son se\u00f1ales as\u00edncronas seguras (async-signal-safe) en el gestor de se\u00f1ales para los tiempos de autentificado, el cual permite a los atacantes remotos causar una denegaci\u00f3n de servicio (agotamiento de la ranura de conexi\u00f3n) a trav\u00e9s de m\u00faltiples intentos de autenticaci\u00f3n. NOTA: esto existe por una incorrecta soluci\u00f3n de CVE-2006-5051."
}
],
"id": "CVE-2008-4109",
"lastModified": "2025-04-09T00:30:58.490",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2008-09-18T15:04:27.437",
"references": [
{
"source": "cve@mitre.org",
"url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=498678"
},
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00004.html"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/31885"
},
{
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"url": "http://secunia.com/advisories/32080"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/32181"
},
{
"source": "cve@mitre.org",
"tags": [
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"url": "http://www.debian.org/security/2008/dsa-1638"
},
{
"source": "cve@mitre.org",
"url": "http://www.openwall.com/lists/oss-security/2024/07/01/3"
},
{
"source": "cve@mitre.org",
"url": "http://www.securitytracker.com/id?1020891"
},
{
"source": "cve@mitre.org",
"url": "http://www.ubuntu.com/usn/usn-649-1"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/45202"
},
{
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{
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"url": "http://secunia.com/advisories/31885"
},
{
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"url": "http://secunia.com/advisories/32080"
},
{
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"url": "http://secunia.com/advisories/32181"
},
{
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"tags": [
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"url": "http://www.debian.org/security/2008/dsa-1638"
},
{
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"url": "http://www.openwall.com/lists/oss-security/2024/07/01/3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id?1020891"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/usn-649-1"
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/45202"
}
],
"sourceIdentifier": "cve@mitre.org",
"vendorComments": [
{
"comment": "Not vulnerable. The patch used to fix CVE-2006-5051 in Red Hat Enterprise Linux 2.1, 3, 4, and 5 was complete and does not suffer from this problem.",
"lastModified": "2017-08-07T21:32:25.653",
"organization": "Red Hat"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-264"
},
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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