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Gentoo: leafnode denial of service vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Gentoo This vulnerability can make leafnode's nntpd server, named leafnode, go into an unterminated loop when a particular article is requested.

- --------------------------------------------------------------------
GENTOO LINUX SECURITY ANNOUNCEMENT 200301-2
- --------------------------------------------------------------------

PACKAGE : leafnode
SUMMARY : denial of service
DATE    : 2003-01-02 11:01 UTC
EXPLOIT : local and remote

- --------------------------------------------------------------------

From leafnode advisory:

"This vulnerability can make leafnode's nntpd server, named leafnode, go
into an unterminated loop when a particular article is requested. The
connection becomes irresponsive, and the server hogs the CPU. The client
will have to terminate the connection and connect again, and may fall
prey to the same problem; ultimately, there may be so many leafnode
processes hogging the CPU that no serious work is possible any more and
the super user has to kill all running leafnode processes."

Read the full advisory at 
http://marc.theaimsgroup.com/?l=bugtraq&m=104127108823436&w=2

SOLUTION

It is recommended that all Gentoo Linux users who are running
new-news/leafnode-1.9.24 or earlier update their systems as
follows:

emerge rsync
emerge leafnode
emerge clean

- --------------------------------------------------------------------
aliz@gentoo.org - GnuPG key is available at www.gentoo.org/~aliz
- --------------------------------------------------------------------


 
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