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Category:   OS (UNIX)  >   Solaris Vendors:   Sun
Solaris Performance Can Be Degraded via a TCP ACK Flood Attack
SecurityTracker Alert ID:  1016589
SecurityTracker URL:
CVE Reference:   CVE-2006-3920   (Links to External Site)
Updated:  Jun 13 2008
Original Entry Date:  Jul 27 2006
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8, 9, 10
Description:   A vulnerability was reported in Solaris. A remote user can cause denial of service conditions.

A remote user can conduct a TCP ACK flood attack (using inherenet features of the TCP protocol) to cause the target system to consume all available resources. Performance on the target system will be degraded.

Impact:   A remote user can cause performance to degrade on the target system.
Solution:   Sun has issued the following fixes to protect against TCP ACK storms.

SPARC Platform

* Solaris 8 with patch 116965-17 or later
* Solaris 9 with patch 118305-07 or later
* Solaris 10 with patch 118833-12 or later

x86 Platform

* Solaris 8 with patch 116966-16 or later
* Solaris 9 with patch 117470-06 or later
* Solaris 10 with patch 118855-10 or later

The Sun advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Resource error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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