CVE-2018-12293
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.
| Software | From | Fixed in |
|---|---|---|
| canonical / ubuntu_linux | 16.04 | 16.04.x |
| canonical / ubuntu_linux | 17.10 | 17.10.x |
| canonical / ubuntu_linux | 18.04 | 18.04.x |
| webkitgtk / webkitgtk+ | - | 2.20.3 |
| wpewebkit / wpe_webkit | - | 2.20.1 |
- http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html
- http://www.openwall.com/lists/oss-security/2018/06/14/1
- http://www.securityfocus.com/archive/1/542087/100/0/threaded
- https://bugs.webkit.org/show_bug.cgi?id=186384
- https://security.gentoo.org/glsa/201808-04
- https://trac.webkit.org/changeset/232618
- https://usn.ubuntu.com/3687-1/
- https://www.exploit-db.com/exploits/45205/
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