{
  "id": "CVE-2009-1959",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2009-06-08T01:00:00.767",
  "lastModified": "2017-08-17T01:30:35.490",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Off-by-one error in the event_wallops function in fe-common/irc/fe-events.c in irssi 0.8.13 allows remote IRC servers to cause a denial of service (crash) via an empty command, which triggers a one-byte buffer under-read and a one-byte buffer underflow."
    },
    {
      "lang": "es",
      "value": "Error de superaci\u00f3n de l\u00edmite (Off-by-one) en loa funci\u00f3n event_wallops en fe-common/irc/fe-events.c en irssi v0.8.13, permite a los servidores de IRC remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de un comando vac\u00edo, lo que lanza un lectura de b\u00fafer por debajo de un byte (one-byte) o por el desbordamiento de b\u00fafer inferior de un byte (one-byte)."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "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-189"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:irssi:irssi:0.8.13:*:*:*:*:*:*:*",
              "matchCriteriaId": "1FFA993F-4826-4937-B51D-438CFF4E08EE"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://bugs.irssi.org/index.php?do=details&task_id=662",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.irssi.org/ChangeLog",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:133",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/05/29/3",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/35399",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1022410",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/usn-800-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/1596",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51184",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html",
      "source": "cve@mitre.org"
    }
  ]
}