Directory traversal vulnerability in the Shared Folders feature for VMware Workstation before 5.5.4, when a folder is shared, allows users on the guest system to write to arbitrary files on the host system via the "Backdoor I/O Port" interface.
CVSS Severity (version 2.0):
Impact Subscore: 9.2
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification
Successful exploitation requires that a folder is shared. Although the "Shared Folders" feature is enabled by default, no folders are shared by default.
References to Advisories, Solutions, and Tools
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20070518 VMSA-2007-0004.1 Updated: Multiple Denial-of-Service issues fixed and directory traversal vulnerability
20070427 VMware Workstation Shared Folders Directory Traversal Vulnerability
20070507 VMSA-2007-0004 Multiple Denial-of-Service issues fixed
Vulnerable software and versions
+ Configuration 1
* cpe:/a:vmware:workstation:5.5.3 and previous versions