Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 16.04 |
| Webkitgtk | Webkitgtk\+ | < 2.20.3 |
| Wpewebkit | Wpe Webkit | < 2.20.1 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.hThird Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2018/06/14/1Mailing ListTechnical Description
- http://www.securityfocus.com/archive/1/542087/100/0/threaded
- https://bugs.webkit.org/show_bug.cgi?id=186384Permissions RequiredVendor Advisory
- https://security.gentoo.org/glsa/201808-04
- https://trac.webkit.org/changeset/232618PatchThird Party AdvisoryVendor Advisory
- https://usn.ubuntu.com/3687-1/Third Party Advisory
- https://www.exploit-db.com/exploits/45205/
- http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.hThird Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2018/06/14/1Mailing ListTechnical Description
- http://www.securityfocus.com/archive/1/542087/100/0/threaded
- https://bugs.webkit.org/show_bug.cgi?id=186384Permissions RequiredVendor Advisory
- https://security.gentoo.org/glsa/201808-04
- https://trac.webkit.org/changeset/232618PatchThird Party AdvisoryVendor Advisory
- https://usn.ubuntu.com/3687-1/Third Party Advisory
FAQ
What is CVE-2018-12293?
CVE-2018-12293 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2018-12293?
CVE-2018-12293 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-12293?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Webkitgtk Webkitgtk\+, Wpewebkit Wpe Webkit.