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Symantec Vulnerability Research
Advisory ID: SYMSA-2007-009
Advisory Title: RemoteDocs R-Viewer Code Execution and Sensitive
Author: Adam Baldiwn / adam_baldwin (at) symantec (dot) com [email concealed]
Release Date: 17-09-2007
Application: RemoteDocs R-Viewer 1.6.2836
Severity: Remotely exploitable / User access
Vendor status: Update available
CVE Number: CVE-2007-4750 CVE-2007-4751
RemoteDocs R-Viewer is a secure document viewer used by remotedocs.com.
There exists a design flaw in RemoteDocs R-Viewer where code can be executed
upon opening the RDZ file without any knowlege or warning to the user.
Additionally, temporary files are not properly removed of disk exposing the
The problem is due to a design flaw in the R-Viewer application. It is
possible to replace the normal encrypted RDZ file with a specially
crafted RDZ file. The first file in this archive will be executed with
current user privledges by the R-Viewer application based strictly on file
To further compound this issue it may be possible for an attacker to gain
other sensitive information from the R-Viewer application through easily
predictable temporary directories that don't appear to expire content
regularily. Included inside of these temorary directories are the unecnrypted
copies of the documents the R-Viewer application has opened in the past.
C:\Program Files\RemoteDocs\Viewer\tmp\31325193(1) <-- First opening
C:\Program Files\RemoteDocs\Viewer\tmp\31325193(2) <-- Second opening
RemoteDocs Engineers have verified these issues and have resolved them in
the latest product release R-Viewer 1.6.3768. RemoteDocs recommends all
customers immediately obtain the newest version of R-Viewer to protect against
these types of threats. RemoteDocs is unaware of any adverse customer impact
from these issues. There are no known publicly available exploits.
All users should upgrade to the latest version of R-Viewer 1.6.3768.
Common Vulnerabilities and Exposures (CVE) Information:
The Common Vulnerabilities and Exposures (CVE) project has assigned
the following names to these issues. These are candidates for
inclusion in the CVE list (http://cve.mitre.org), which standardizes
names for security problems.
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To Report a Security Vulnerability in a Symantec Product:
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Copyright (c) 2007 by Symantec Corp.
Permission to redistribute this alert electronically is granted
as long as it is not edited in any way unless authorized by
Symantec Consulting Services. Reprinting the whole or part of
this alert in any medium other than electronically requires
permission from research (at) symantec (dot) com. [email concealed]
The information in the advisory is believed to be accurate at the
time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS
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