Fortinet Discovers Microsoft Office Word PAPXFKP Heap Overflow Vulnerability
Fortinet's FortiGuard Labs has discovered a heap overflow vulnerability in Microsoft Office Word.
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 heap overflow vulnerability has been discovered in Microsoft Word. The vulnerability exists due to an error while the vulnerable software attempts to open a specially crafted Word file. It could lead to remote code execution.
SolutionsFortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:
Released Oct 15, 2015
Users should apply the solution provided by Microsoft.
This issue is fixed in the defense-in-depth update.
This vulnerability was discovered by Kai Lu of Fortinet's FortiGuard Labs.