PSN Issue : Juniper Networks has identified a serious security vulnerability
within our JUNOS Software. 

This vulnerability could be exploited either by a directly-attached
neighboring device or by a remote attacker that can deliver certain packets
to the router. Routers running vulnerable JUNOS software are susceptible
regardless of the router's configuration. It is not possible to use firewall
filters to protect vulnerable routers. 

This vulnerability is specific to Juniper Networks routers running JUNOS
software releases built prior to January 7, 2005. Routers that do not run
JUNOS software are not susceptible to this vulnerability. Juniper Networks
is not aware of any actual or attempted exploit of this vulnerability. 

Solution: JUNOS software has been modified to address this vulnerability.
All versions of JUNOS software built on or after January 22, 2005 contain
the modified code. Software built between January 7 and January 22 may
contain the modified code, depending on the specific JUNOS release. 

Solution Implementation: All customers are strongly encouraged to upgrade
their software to a release that contains the modified code. Pointers to
software releases that contain the corrected code can be found in the
Related Links section below. Customers can also contact the Juniper Networks
Technical Assistance Center for download information. 


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