CVE-2008-4109 (GCVE-0-2008-4109)

Vulnerability from cvelistv5 – Published: 2008-09-17 18:06 – Updated: 2024-08-07 10:00
VLAI
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.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-24 17:46 UTC
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2286 records in the last 180 days details
References
Date Public
2008-09-16 00:00
Show details on NVD website
To clipboard 

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        "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": "2026-04-23T00:35:47.467",
        "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
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          ]
        },
        "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"
          },
          {
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            "url": "http://secunia.com/advisories/31885"
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          {
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            "url": "http://secunia.com/advisories/32080"
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            "tags": [
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            "url": "http://www.debian.org/security/2008/dsa-1638"
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          {
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            "url": "http://www.openwall.com/lists/oss-security/2024/07/01/3"
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          {
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            "url": "http://www.securitytracker.com/id?1020891"
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            "url": "http://www.ubuntu.com/usn/usn-649-1"
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            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/45202"
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    }
  }
}



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