(Pwn2Own) Adobe Reader DC Collab documentToStream Use-After-Free Remote Code Execution Vulnerability

2017-08-01T00:00:00
ID ZDI-17-282
Type zdi
Reporter willj from Tencent PC Manager
Modified 2017-06-22T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Reader DC. 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 handling of the Collab.documentToStream method. By manipulating a document's elements an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute arbitrary code under the context of the process.