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CVE-2008-7159

Estado: ModificadaMedia (5.8)—

The silc_asn1_encoder function in lib/silcasn1/silcasn1_encode.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.8 allows remote attackers to overwrite a stack location and possibly execute arbitrary code via a crafted OID value, related to incorrect use of a %lu format string.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Silcnet — Silc Toolkit

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2008-7159",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-09-10T21:30:00.953",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/36614",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/36625",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://silcnet.org/docs/changelog/SILC%20Toolkit%201.1.8",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://silcnet.org/general/news/news_toolkit.php",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2009/dsa-1879",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:234",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/08/31/5",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/09/03/5",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/36192",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53477",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/36614",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/36625",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://silcnet.org/docs/changelog/SILC%20Toolkit%201.1.8",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://silcnet.org/general/news/news_toolkit.php",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2009/dsa-1879",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:234",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/08/31/5",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/09/03/5",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/36192",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53477",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-134"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The silc_asn1_encoder function in lib/silcasn1/silcasn1_encode.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.8 allows remote attackers to overwrite a stack location and possibly execute arbitrary code via a crafted OID value, related to incorrect use of a %lu format string."
    },
    {
      "lang": "es",
      "value": "La función silc_asn1_encoder de lib/silcasn1/silcasn1_encode.c en Secure Internet Live Conferencing (SILC) Toolkit anterior a v1.1.8, permite a atacantes remotos sobrescribir una posición de la pila y puede que ejecutar código de su elección a través de un valor OID manipulado. Está relacionado con el uso incorrecto de una cadena con formato %lu."
    }
  ],
  "lastModified": "2026-06-16T23:03:43.820",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:silcnet:silc_toolkit:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EA762451-1AEA-4138-B446-39560935B994",
              "versionEndIncluding": "1.1.6"
            },
            {
              "criteria": "cpe:2.3:a:silcnet:silc_toolkit:1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C06811A1-DF33-4EC9-A2EE-49CE2F4A4EC2"
            },
            {
              "criteria": "cpe:2.3:a:silcnet:silc_toolkit:1.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6FE803FA-43C9-4565-A1B6-6890A2275A6B"
            },
            {
              "criteria": "cpe:2.3:a:silcnet:silc_toolkit:1.1.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9754DA96-8464-412C-8337-51F8DE9884B5"
            },
            {
              "criteria": "cpe:2.3:a:silcnet:silc_toolkit:1.1.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A4BC8115-1A4B-4CFD-9431-3C2A231D0237"
            },
            {
              "criteria": "cpe:2.3:a:silcnet:silc_toolkit:1.1.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "262AEDC5-8FB8-4D15-AC4D-906110718D07"
            },
            {
              "criteria": "cpe:2.3:a:silcnet:silc_toolkit:1.1.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F422F232-FDA3-4FB4-AD84-2641EF0A0134"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "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"
}