Fortinet Discovers Microsoft Office Excel Memory Corruption Vulnerability
Fortinet's FortiGuard Labs has discovered a memory corruption vulnerability in Microsoft Office Excel.
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 was discovered in Microsoft Excel that could allow malicious users to create remote code execution conditions. The defect in question involves a read access violation when Excel incorrectly parses a value that makes Excel fall into the incorrect execution path. Attackers can leverage this behavior to control the flow of 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 vulnerability was discovered by Kai Lu of Fortinet's FortiGuard Labs.