FKIE_CVE-2018-12293

Vulnerability from fkie_nvd - Published: 2018-06-19 21:29 - Updated: 2026-06-17 01:37
Severity
8.8 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
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.
References
cve@mitre.orghttp://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.htmlThird Party Advisory, VDB Entry
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2018/06/14/1Mailing List, Technical Description
cve@mitre.orghttp://www.securityfocus.com/archive/1/542087/100/0/threaded
cve@mitre.orghttps://bugs.webkit.org/show_bug.cgi?id=186384Permissions Required, Vendor Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/201808-04
cve@mitre.orghttps://trac.webkit.org/changeset/232618Patch, Third Party Advisory, Vendor Advisory
cve@mitre.orghttps://usn.ubuntu.com/3687-1/Third Party Advisory
cve@mitre.orghttps://www.exploit-db.com/exploits/45205/
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2018/06/14/1Mailing List, Technical Description
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/542087/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108https://bugs.webkit.org/show_bug.cgi?id=186384Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201808-04
af854a3a-2127-422b-91ae-364da2661108https://trac.webkit.org/changeset/232618Patch, Third Party Advisory, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3687-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/45205/
Impacted products
Vendor Product Version
canonical ubuntu_linux 16.04
canonical ubuntu_linux 17.10
canonical ubuntu_linux 18.04
webkitgtk webkitgtk\+ *
wpewebkit wpe_webkit *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
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  "cveTags": [],
  "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 funci\u00f3n 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 b\u00fafer basado en memoria din\u00e1mica (heap) desencadenado por un desbordamiento de enteros, que podr\u00eda ser empleado por contenido HTML manipulado."
    }
  ],
  "id": "CVE-2018-12293",
  "lastModified": "2026-06-17T01:37:29.900",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
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          "confidentialityImpact": "HIGH",
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          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.0"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2018-06-19T21:29:00.957",
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      "tags": [
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  "vulnStatus": "Modified",
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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