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Ipswitch WS_FTP Server FTP Log Server Denial of Service
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Secunia Advisory:
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SA28761
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Release Date:
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2008-02-05
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Last Update:
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2008-02-07
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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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Unpatched
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| Software: | WS_FTP Server 6.x
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| | CVE reference: | CVE-2008-0608 (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:
Luigi Auriemma 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 the improper handling of UDP packets within the FTP Log Server. This can be exploited to cause the service to stop responding to further log requests by sending multiple overly large datagrams (over 4096 bytes) within a short period of time to port 5151/UDP.
The vulnerability is confirmed in FTP Log Server (ftplogsrv.exe) version 7.9.14.0 included in WS_FTP Server 6.1. Other versions may also be affected.
Solution:
Restrict access to port 5151/UDP.
Provided and/or discovered by:
Luigi Auriemma
Changelog:
2008-02-07: Added CVE reference.
Original Advisory:
http://aluigi.altervista.org/adv/ftplogsrvz-adv.txt
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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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4 Related Secunia Security Advisories
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1. IPSwitch WS_FTP Server Manager Security Bypass
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2. IpSwitch WS_FTP Server with SSH Buffer Overflow Vulnerability
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3. Ipswitch WS_FTP Server Script Insertion Vulnerability
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4. Ipswitch WS_FTP Server FTP Log Server Denial of Service Vulnerability
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