{
  "id": "CVE-2011-1951",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2011-07-11T20:55:01.207",
  "lastModified": "2024-11-21T01:27:22.460",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "lib/logmatcher.c in Balabit syslog-ng before 3.2.4, when the global flag is set and when using PCRE 8.12 and possibly other versions, allows remote attackers to cause a denial of service (memory consumption) via a message that does not match a regular expression."
    },
    {
      "lang": "es",
      "value": "lib/logmatcher.c en Balabit syslog-ng anterior a v3.2.4, cuando la bandera global est\u00e1 habilitada y cuando usa PCRE v8.12 y posiblemente otras versiones, permite a atacantes remotos provocar una denegaci\u00f3n de servicio(consumo de memoria) a trav\u00e9s de un mensaje que no coincide con una expresi\u00f3n regular."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "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-399"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "3.2.4",
              "matchCriteriaId": "D687E9AB-E8DA-4428-9409-AD2FE2B05738"
            }
          ]
        },
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          "negate": false,
          "cpeMatch": [
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          ]
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  ],
  "references": [
    {
      "url": "http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.html",
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://secunia.com/advisories/45122",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/05/26/1",
      "source": "secalert@redhat.com",
      "tags": [
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        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/47800",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=709088",
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff",
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      "tags": [
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      "url": "http://secunia.com/advisories/45122",
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
    {
      "url": "http://www.securityfocus.com/bid/47800",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=709088",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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}