Microsoft Word doc File Use-After-Free Remote Code Execution Vulnerability

2018-11-21T00:00:00
ID ZDI-18-1356
Type zdi
Reporter Jaanus Kp, Clarified Security
Modified 2018-06-22T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office Word. 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 processing of .doc files. Crafted data in a .doc file can cause a pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code in the context of the current process at medium integrity.