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VMware View Connection Server Directory Traversal

VMware View Connection Server Directory Traversal
Posted Dec 15, 2012
Authored by Digital Defense, r@b13$ | Site digitaldefense.net

The tunnel-server component of the VMware View Connection Server fails to ensure that each requested URL refers to a file that is both located within the web root of the server and is of a type that is allowed to be served. A remote unauthenticated attacker can use this weakness to retrieve arbitrary files from the affected server's underlying root file system. This can be accomplished by submitting URL encoded HTTP GET requests that traverse out of the affected subdirectory. Vulnerable versions are VMware View 5.x prior to version 5.1.2 and VMware View 4.x prior to version 4.6.2.

tags | advisory, remote, web, arbitrary, root
advisories | CVE-2012-5978
MD5 | 758c5abad1f5345fedd9d88ca27b401f

VMware View Connection Server Directory Traversal

Change Mirror Download
Title
-----
DDIVRT-2012-48 VMware View Connection Server Directory Traversal (CVE-2012-5978)

Severity
--------
High

Date Discovered
---------------
September 26, 2012

Discovered By
-------------
Digital Defense, Inc. Vulnerability Research Team
Credit: r@b13$

Vulnerability Description
-------------------------
The tunnel-server component of the VMware View Connection Server fails
to ensure that each requested URL refers to a file that is both
located within the web root of the server and is of a type that is
allowed to be served.

A remote unauthenticated attacker can use this weakness to retrieve
arbitrary files from the affected server's underlying root file
system. This can be accomplished by submitting URL encoded HTTP GET
requests that traverse out of the affected subdirectory.

Solution Description
--------------------
VMware has produced a solution for the issue in the form of an upgrade
which is available through their website. The VMware advisory can be
found: http://www.vmware.com/security/advisories/VMSA-2012-0017.html

Vulnerable Software
-------------------------
VMware View 5.x prior to version 5.1.2
VMware View 4.x prior to version 4.6.2

Vendor Contact
--------------
Vendor Name: VMware, Inc.
Vendor Website: http://www.vmware.com/

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