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Category:   Device (Router/Bridge/Hub)  >   Juniper Junos Vendors:   Juniper
Juniper Junos SRX Series NAT flowd Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1030558
SecurityTracker URL:  http://securitytracker.com/id/1030558
CVE Reference:   CVE-2014-3817   (Links to External Site)
Date:  Jul 11 2014
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): SRX Series; 11.4, 12.1X44, 12.1X45, or 12.1X46
Description:   A vulnerability was reported in Juniper Junos. A remote user can cause denial of service conditions.

On systems with NAT protocol translation from IPv4 to IPv6 enabled, a remote user can send a specially crafted packet to cause the target flowd process to crash.

SRX Series devices are affected.

The vendor has assigned PR 954437 to this vulnerability.

Impact:   A remote user can cause the flowd process to crash.
Solution:   The vendor has issued a fix (11.4R12, 12.1X44-D32, 12.1X44-D35, 12.1X45-D25, 12.1X46-D20, 12.1X47-D10).

The vendor's advisory is available at:

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10635

Vendor URL:  kb.juniper.net/InfoCenter/index?page=content&id=JSA10635 (Links to External Site)
Cause:   State error

Message History:   None.


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