{
  "id": "CVE-2015-3217",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2016-12-13T16:59:02.220",
  "lastModified": "2018-05-18T01:29:00.370",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\\\.|([^\\\\\\\\W_])?)+)+$/."
    },
    {
      "lang": "es",
      "value": "PCRE 7.8 y 8.32 hasta la versi\u00f3n 8.37 y PCRE2 10.10 no maneja adecuadamente las partidas de grupo vac\u00edas, lo que podr\u00edan permitir a atacantes remotos provocar una denegaci\u00f3n de servicio (desbordamientos de b\u00fafer basado en pila) a trav\u00e9s de una expresi\u00f3n regular manipulada, seg\u00fan lo demostrado por /^(?:(?(1)\\\\.|([^\\\\\\\\W_])?)+)+$/."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "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-119"
        }
      ]
    }
  ],
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  "references": [
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-1025.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2750.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://vcs.pcre.org/pcre?view=revision&revision=1566",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2015/06/03/7",
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List"
      ]
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/75018",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2016:1132",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugs.exim.org/show_bug.cgi?id=1638",
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1228283",
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking"
      ]
    }
  ]
}