Type confusion in Microsoft Internet Explorer and Microsoft Edge - CVE-2017-0037

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to type confusion error within HandleColumnBreakOnColumnSpanningElement when processing CSS elements. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may allow an attacker to compromise vulnerable system.

Note: Exploit code for this vulnerability is publicly accessible.

How to mitigate CVE-2017-0037

Sources

• https://bugs.chromium.org/p/project-zero/issues/detail?id=1011
• https://www.symantec.com/security_response/writeup.jsp?docid=2017-030123-2706-99&tabid=2
• https://technet.microsoft.com/en-us/library/security/MS17-006
• https://technet.microsoft.com/en-us/library/security/MS17-007