Fortinet Discovers Microsoft Office Outlook Remote Code Execution Vulnerability
Fortinet's FortiGuard Labs has discovered a remote code execution vulnerability in Microsoft Outlook.
Microsoft Outlook is a personal information manager, which is a part of the Microsoft Office suite. Although it is used mainly as an email application, it also includes a calendar, task manager, contact manager, note taking, journal, and web browsing.
A remote code execution vulnerability is discovered in Microsoft Outlook resulting from its failure to properly handle objects in memory. When parsing a malformed RWZ file, the stack is corrupted because of the insufficient sanitization of the function's parameters, which in specific circumstances can lead to a remote code execution scenario. The vulnerability exists in an unnamed function in OUTLOOK.exe.
SolutionsFortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:
Released Nov 02, 2018
Users should apply the solution provided by Microsoft.
Fortinet reported the vulnerability to Microsoft on September 14, 2018.
Microsoft confirmed the vulnerability on November 1, 2018.
Microsoft patched the vulnerability on November 13, 2018.
This vulnerability was discovered by Yonghui Han of Fortinet's FortiGuard Labs.