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Freeciv Packet Parsing Denial of Service Vulnerability
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Secunia Advisory:
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SA19120
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Release Date:
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2006-03-06
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Last Update:
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2006-03-08
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Popularity:
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6,191 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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Vendor Patch
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| Software: | Freeciv 2.0.x
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| CVE reference: | CVE-2006-0047
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Description:
Luigi Auriemma has reported a vulnerability in Freeciv, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within the handling of the packet length in "common/packets.c". This can be exploited to crash the Freeciv server via a specially-crafted packet with the size set to "0xffff".
The vulnerability has been reported in versions prior to 2.0.8.
Solution:
Update to version 2.0.8.
http://sourceforge.net/project/showfiles.php?group_id=138322
Provided and/or discovered by:
Luigi Auriemma
Changelog:
2006-03-06: Added information from Luigi Auriemma.
2006-03-08: Added CVE reference.
Original Advisory:
Freeciv:
ftp://ftp.freeciv.org/pub/freeciv/latest/ChangeLog-trunk-since-2.0
Debian:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=355211
Luigi Auriemma:
http://aluigi.altervista.org/adv/freecivdos-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.
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