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Sami FTP Server USER Command Buffer Overflow
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Secunia Advisory:
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SA18574
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Release Date:
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2006-01-25
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Last Update:
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2006-05-05
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Sami FTP Server 2.x
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| | CVE reference: | CVE-2006-0441 (Secunia mirror)
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This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released! |
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Description:
Critical Security has discovered a vulnerability in Sami FTP Server, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error in the handling of the USER command. This can be exploited to cause a stack-based buffer overflow and allows arbitrary code execution via an overly long username.
Successful exploitation requires that the user clicks on the "Log" tab to view the on-screen server log. However, this is not necessary if the application is already running with the on-screen server log displayed.
The vulnerability has been confirmed in version 2.0.1 and 2.0.2. Other versions may also be affected.
Solution:
Filter malicious requests in a proxy or firewall with FTP filtering capabilities.
Provided and/or discovered by:
Originally discovered by Critical Security.
Reported in version 2.0.2 by:
Muhammad Ahmed Siddiqui
Changelog:
2006-01-31: Added CVE reference.
2006-05-05: Updated advisory.
Original Advisory:
http://www.critical.lt/?vulnerabilities/208
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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