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Ultr@VNC Privilege Escalation Vulnerability
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Secunia Advisory:
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SA10663
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Release Date:
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2004-01-20
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Popularity:
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7,193 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Unpatched
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| Software: | UltraVNC (formerly Ultr@VNC) 1.x
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Description:
KF has discovered a vulnerability in Ultr@VNC, which can be exploited by malicious, local users to gain escalated privileges on a vulnerable system.
The problem is that Ultr@VNC invokes Internet Explorer with SYSTEM privileges when a user clicks the tray icon and selects "Online Help" or "Home Page". This can be exploited to execute arbitrary commands on a system with escalated privileges.
The vulnerability has been reported in version 1.0.0 RC11. Prior versions may also be affected.
Solution:
Do not install Ultr@VNC on systems with untrusted users.
Provided and/or discovered by:
KF, Secure Network Operations.
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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