Adam Baldwin has reported a vulnerability and a security issue in RemoteDocs R-Viewer, which potentially can be exploited by malicious, local users to disclose sensitive information and by malicious people to compromise a vulnerable system.
1) The problem is that the first file within an RDZ file gets executed based on its file extension. This can be exploited to execute arbitrary code via a specially crafted RDZ file.
2) Unencrypted copies of previously opened documents are stored in the default %ProgramFiles%\RemoteDocs\Viewer\tmp\ directory and are reportedly not removed regularly. This can be exploited to e.g. disclose potentially sensitive information.
The vulnerability and security issue are reported in version 1.6.2836. Other versions may also be affected.
Solution: Update to version 1.6.3768.
Provided and/or discovered by: Adam Baldwin, Symantec
Original Advisory: http://www.symantec.com/content/en/us/enterprise/research/SYMSA-2007-009.txt
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Subject: RemoteDocs R-Viewer RDZ Code Execution and Information Disclosure
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