Fortinet Discovers Microsoft Windows JET Database Engine Heap Overflow Vulnerability
Fortinet's FortiGuard Labs has discovered a Heap Overflow vulnerability in Microsoft JET Database Engine.
The Microsoft JET Database Engine is a database engine on which several Microsoft products have been built. A database engine is the underlying component of a database, a collection of information stored on a computer in a systematic way. The first version of JET was developed in 1992, consisting of three modules which could be used to manipulate a database.
A Heap Overflow vulnerability has been discovered in Microsoft JET Database Engine. The vulnerability is caused by insufficient bounds check when parsing a specially crafted Excel file. An attacker who successfully exploited this vulnerability could take control of an affected system.
SolutionsFortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:
Released Mar 21, 2018
Users should apply the solution provided by Microsoft.
Fortinet reported the vulnerability to Microsoft on December 7, 2017.
Microsoft confirmed the vulnerability on February 14, 2018.
Microsoft patched the vulnerability on April 10, 2018.