Fortinet Discovers Microsoft Office PowerPoint Shape Sbjects Handling Memory Corruption Vulnerability
Summary
Fortinet's FortiGuard Labs has discovered a memory corruption vulnerability in Microsoft Office.Microsoft Office is an office suite of applications, servers and services. It was first announced by Microsoft in 1988. The first version of Office contained Microsoft Word, Microsoft Excel and Microsoft PowerPoint. Over the years, Office applications have grown substantially closer with shared features such as a common spell checker, OLE data integration and Visual Basic for Applications scripting language. Microsoft also positions Office as a development platform for line-of-business software under the Office Business Applications brand.
A memory corruption vulnerability has been identified in Microsoft Office PowerPoint that could lead to remote code execution. The issue is caused due to null pointer dereference when handling malformed shape objects.
Solutions
FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:MS.Office.Powerpoint.Shape.Objects.Memory.Corruption
Released Jan 15, 2016
Users should apply the solution provided by Microsoft.