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freeSSHd SSH Server Denial of Service Vulnerability
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Secunia Advisory:
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SA29002
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Release Date:
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2008-02-18
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Last Update:
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2008-02-26
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Popularity:
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4,138 views
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Critical:
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Moderately critical
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Impact:
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DoS
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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: | freeSSHd 1.x
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| CVE reference: | CVE-2008-0852
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Description:
Luigi Auriemma has discovered a vulnerability in freeSSHd, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to a NULL-pointer dereference error in the freeSSHd SSH server and can be exploited to cause the service to crash by sending a specially crafted packet to default port 22/TCP.
The vulnerability is confirmed in version 1.2.0. Other versions may also be affected.
Solution:
Restrict network access to the service.
Provided and/or discovered by:
Luigi Auriemma
Changelog:
2008-02-26: Added CVE reference.
Original Advisory:
http://aluigi.altervista.org/adv/freesshdnull-adv.txt
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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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