{
  "id": "CVE-2009-4492",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2010-01-13T20:30:00.530",
  "lastModified": "2023-08-01T18:59:27.303",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator."
    },
    {
      "lang": "es",
      "value": "WEBrick v1.3.1 en Ruby v1.8.6 del patchlevel 383, v1.8.7 al patchlevel 248, v1.8.8dev, 1.9.1 al patchlevel 376, y v1.9.2dev ,escribe datos en un archivo de los sin depurar los caracteres no escribibles, lo que podr\u00eda permitir a atacantes remotos modificar la ventana de t\u00edtulo, o posiblemente ejecutar comandos de su elecci\u00f3n o sobrescribir archivos, a trav\u00e9s de una petici\u00f3n HTTP que contiene una secuencia de escape para el emulador de terminal."
    }
  ],
  "vendorComments": [
    {
      "organization": "Red Hat",
      "comment": "Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-4492\n\nThe Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.\n",
      "lastModified": "2010-01-21T00:00:00"
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ruby-lang:webrick:1.3.1:*:*:*:*:ruby:*:*",
              "matchCriteriaId": "A3987438-FB66-4B8A-A2E2-124139BC9216"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.8.6",
              "versionEndIncluding": "1.8.6.383",
              "matchCriteriaId": "9D02C3E0-04FE-4200-944F-2EF327B8CC37"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.8.7",
              "versionEndIncluding": "1.8.7.248",
              "matchCriteriaId": "0F4C4DE1-EDEF-49F4-81FE-6B9D25453300"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.9.1",
              "versionEndIncluding": "1.9.1.376",
              "matchCriteriaId": "20792FA1-E46A-4BC1-81FD-E3C4660F2CC6"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://securitytracker.com/id?1023429",
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2011-0908.html",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2011-0909.html",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injection",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/archive/1/508830/100/0/threaded",
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/37710",
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.ush.it/team/ush/hack_httpd_escape/adv.txt",
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Exploit"
      ]
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/0089",
      "source": "cve@mitre.org",
      "tags": [
        "Permissions Required"
      ]
    }
  ]
}