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Ipswitch WS_FTP Server FTP Log Server Denial of Service Vulnerability
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Secunia Advisory:
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SA26040
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Release Date:
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2007-07-13
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Last Update:
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2008-08-29
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Popularity:
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6,750 views
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Critical:
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Less critical
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Impact:
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DoS
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | WS_FTP Server 6.x
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| CVE reference: | CVE-2007-3823
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Description:
Justin Seitz has discovered a vulnerability in Ipswitch WS_FTP Server, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within the FTP Log Server (ftplogsrv.exe) when handling certain messages. This can be exploited to crash a server by sending specially crafted datagrams to the vulnerable service (default port 5151/UDP).
The vulnerability is confirmed in FTP Log Server (ftplogsrv.exe) version 7.5.29.0 included in WS_FTP Server 6. Other versions may also be affected.
Solution:
Update to version 6.1 or later.
Provided and/or discovered by:
Justin Seitz, VDA Labs
Changelog:
2007-07-19: Added CVE reference.
2008-02-05: Modified access vector to "From local network". Lowered criticality.
2008-08-29: Updated "Solution" and "Original Advisory" sections.
Original Advisory:
Ipswitch:
http://docs.ipswitch.com/WS_FTP_Serve...e_ws_ftpserverv611releasenotes#link13
VDA Labs:
http://www.vdalabs.com/tools/ipswitch.html
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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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