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Category:   Application (Web Server/CGI)  >   Jetty Vendors:   Mort Bay Consulting et al
Jetty Hash Table Collision Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1026475
SecurityTracker URL:  http://securitytracker.com/id/1026475
CVE Reference:   CVE-2011-4461   (Links to External Site)
Date:  Dec 29 2011
Impact:   Denial of service via network
Exploit Included:  Yes  

Description:   A vulnerability was reported in Jetty. A remote user can cause denial of service conditions.

A remote user can send specially crafted POST request values to trigger hash collisions and cause significant performance degradation on the target server.

The original advisory is available at:

http://www.nruns.com/_downloads/advisory28122011.pdf

Alexander Klink of n.runs AG and Julian Walde of Technische Universitat Darmstadt reported this vulnerability. Scott A. Crosby and Dan S. Wallach of Rice University reported the theoretical attack.

Impact:   A remote user can cause performance to degrade on the target server.
Solution:   No solution was available at the time of this entry.
Vendor URL:  jetty.codehaus.org/jetty/ (Links to External Site)
Cause:   Randomization error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 9 2015 (HP Issues Fix for HP P6000 Command View) Jetty Hash Table Collision Bug Lets Remote Users Deny Service
HP has issued a fix for HP P6000 Command View.



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