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CVE-2009-3163

Status: ModifiedHigh (7.5)—

Multiple format string vulnerabilities in lib/silcclient/command.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and SILC Client 1.1.8 and earlier, allow remote attackers to execute arbitrary code via format string specifiers in a channel name, related to (1) silc_client_command_topic, (2) silc_client_command_kick, (3) silc_client_command_leave, and (4) silc_client_command_users.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2009-3163",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
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      "source": "cve@mitre.org",
      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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      ]
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  ],
  "published": "2009-09-10T21:30:01.640",
  "references": [
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      "tags": [
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    },
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://silcnet.org/general/news/news_toolkit.php",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2009/dsa-1879",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:234",
      "source": "cve@mitre.org"
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      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:235",
      "source": "cve@mitre.org"
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      "url": "http://www.openwall.com/lists/oss-security/2009/09/03/5",
      "source": "cve@mitre.org"
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      "source": "cve@mitre.org"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-134"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple format string vulnerabilities in lib/silcclient/command.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and SILC Client 1.1.8 and earlier, allow remote attackers to execute arbitrary code via format string specifiers in a channel name, related to (1) silc_client_command_topic, (2) silc_client_command_kick, (3) silc_client_command_leave, and (4) silc_client_command_users."
    },
    {
      "lang": "es",
      "value": "Múltiples vulnerabilidades de formato de cadena en lib/silcclient/command.c en Secure Internet Live Conferencing (SILC) Toolkit anteriores a v1.1.10, y SILC Client v1.1.8 y anteriores , permite a atacantes remotos ejecutar código arbitrario a través de los especificadores de cadena en el nombre de canal, relacionado con (1) silc_client_command_topic, (2) silc_client_command_kick, (3) silc_client_command_leave, y (4) silc_client_command_users."
    }
  ],
  "lastModified": "2026-06-16T23:11:03.203",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "1.1.8"
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  "vendorComments": [
    {
      "comment": "Not vulnerable. This issue did not affect the versions of libsilc as shipped with Red Hat Enterprise Linux 4, or 5.",
      "lastModified": "2009-09-11T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}