« Volver al listado

CVE-2018-12293

Estado: ModificadaAlta (8.8)—

The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.3 and WPE WebKit prior to version 2.20.1, is vulnerable to a heap-based buffer overflow triggered by an integer overflow, which could be abused by crafted HTML content.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

Canonical — Ubuntu LinuxWebkitgtk — Webkitgtk+Wpewebkit — WPE Webkit

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2018-12293",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-06-19T21:29:00.957",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2018/06/14/1",
      "tags": [
        "Mailing List",
        "Technical Description"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/542087/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.webkit.org/show_bug.cgi?id=186384",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/201808-04",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://trac.webkit.org/changeset/232618",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://usn.ubuntu.com/3687-1/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.exploit-db.com/exploits/45205/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2018/06/14/1",
      "tags": [
        "Mailing List",
        "Technical Description"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/542087/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.webkit.org/show_bug.cgi?id=186384",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201808-04",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://trac.webkit.org/changeset/232618",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://usn.ubuntu.com/3687-1/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.exploit-db.com/exploits/45205/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.3 and WPE WebKit prior to version 2.20.1, is vulnerable to a heap-based buffer overflow triggered by an integer overflow, which could be abused by crafted HTML content."
    },
    {
      "lang": "es",
      "value": "La función getImageData en la clase ImageBufferCairo en WebCore/platform/graphics/cairo/ImageBufferCairo.cpp en WebKit, tal y como se emplea en WebKitGTK+ en versiones anteriores a la 2.20.3 y WPE WebKit en versiones anteriores a la 2.20.1, es vulnerable a un desbordamiento de búfer basado en memoria dinámica (heap) desencadenado por un desbordamiento de enteros, que podría ser empleado por contenido HTML manipulado."
    }
  ],
  "lastModified": "2026-06-17T01:37:29.900",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886"
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:webkitgtk:webkitgtk\\+:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4D050DEE-D895-409A-898D-B98495F65849",
              "versionEndExcluding": "2.20.3"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "734C2FDA-9BD1-4895-98BA-1815335E386E",
              "versionEndExcluding": "2.20.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}