CVE-2018-12293

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• WebkitGTK+ 2.20.3 - 'ImageBufferCairo::getImageData()' Buffer Overflow (PoC)2018-08-16 · local · linux

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• 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/
• 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/