CVE-2018-12293

high

Description

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

https://usn.ubuntu.com/3687-1/

https://trac.webkit.org/changeset/232618

https://security.gentoo.org/glsa/201808-04

http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html

https://www.exploit-db.com/exploits/45205/

https://bugs.webkit.org/show_bug.cgi?id=186384

http://www.securityfocus.com/archive/1/542087/100/0/threaded

http://www.openwall.com/lists/oss-security/2018/06/14/1

Details

Source: Mitre, NVD

Published: 2018-06-19

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.42804