{
  "id": "CVE-2009-2911",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2009-10-22T16:30:00.217",
  "lastModified": "2025-04-09T00:30:58.490",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SystemTap 1.0, when the --unprivileged option is used, does not properly restrict certain data sizes, which allows local users to (1) cause a denial of service or gain privileges via a print operation with a large number of arguments that trigger a kernel stack overflow, (2) cause a denial of service via crafted DWARF expressions that trigger a kernel stack frame overflow, or (3) cause a denial of service (infinite loop) via vectors that trigger creation of large unwind tables, related to Common Information Entry (CIE) and Call Frame Instruction (CFI) records."
    },
    {
      "lang": "es",
      "value": "SystemTap 1.0, cuando se utiliza la opci\u00f3n \"--unprivileged\", no restringe adecuadamente ciertos tama\u00f1os de datos, lo que permite a usuarios locales (1) producir una denegaci\u00f3n de servicio o ganar privilegios a trav\u00e9s de una operaci\u00f3n de impresi\u00f3n con un gran numero de argumentos que inicia un desbordamiento de ka pila del kernel, (2) producir una denegaci\u00f3n de servicio a trav\u00e9s de expresi\u00f3n DWARF manipuladas que inician un desbordamiento de la pila del kernel, o (3) producir una denegaci\u00f3n de servicio (bucle infinito) a trav\u00e9s de vectores que inician la creaci\u00f3n de grandes tablas relacionadas con las entradas \"Entry Common Information\" (CIE) y \"Call Frame Instruction\" (CFI)."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P",
          "baseScore": 1.9,
          "accessVector": "LOCAL",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.4,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:systemtap:systemtap:1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "7C36C437-D28D-452A-BAF0-4A618A61920B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41633",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/37167",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://sources.redhat.com/bugzilla/show_bug.cgi?id=10750",
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/10/21/1",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/36778",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/2989",
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=529175",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00627.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00793.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41633",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/37167",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://sources.redhat.com/bugzilla/show_bug.cgi?id=10750",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/10/21/1",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/36778",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/2989",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=529175",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00627.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00793.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}