Microsoft Windows XLS File Buffer Overflow Remote Code Execution Vulnerability

2017-10-10T00:00:00
ID ZDI-17-840
Type zdi
Reporter Zhou Yu
Modified 2017-10-11T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the Microsoft Jet OLEDB provider for Excel files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.