Nuance PDF viewing products contain multiple memory-corruption vulnerabilities, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.
Nuance provides two similar PDF viewing products called PDF Reader and PDF Viewer Plus. Both of these products contain multiple exploitable memory-corruption vulnerabilities. We have found that both Nuance PDF Reader 7.0 and PDF Viewer Plus 7.1 are affected.
By convincing a user to view a specially crafted PDF document, an attacker may be able to execute arbitrary code on a vulnerable system.
We are currently unaware of a practical solution to this problem. Please consider the following workarounds:
Use the Microsoft Enhanced Mitigation Experience Toolkit
The Microsoft Enhanced Mitigation Experience Toolkit (EMET) can be used to help prevent exploitation of this vulnerability. CERT/CC has created a video tutorial for setting up EMET 3.0 on Windows 7. Note that platforms that do not support ASLR, such as Windows XP and Windows Server 2003, will not receive the same level of protection that modern Windows platforms will.
These vulnerabilities were reported by Will Dormann of the CERT/CC.
This document was written by Will Dormann.
|Date First Published:||2013-02-07|
|Date Last Updated:||2013-02-07 18:29 UTC|