IBM WebSphere Application Server Hash Collision Denial Of Service Vulnerability

Bugtraq ID:	51441
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2012-0193
Remote:	Yes
Local:	No
Published:	Jan 16 2012 12:00AM
Updated:	Jul 04 2013 12:21PM
Credit:	The vendor reported this issue.
Vulnerable:	IBM Websphere Application Server 8.0 2 IBM Websphere Application Server 7.0 3 IBM Websphere Application Server 7.0 21 IBM Websphere Application Server 7.0 .9 IBM Websphere Application Server 7.0 .8 IBM Websphere Application Server 7.0 .2 IBM Websphere Application Server 7.0 .13 IBM Websphere Application Server 7.0 .12 IBM Websphere Application Server 7.0 .11 IBM Websphere Application Server 7.0 .11 IBM Websphere Application Server 6.1 41 IBM Websphere Application Server 6.1 .9 IBM Websphere Application Server 6.1 .8 IBM Websphere Application Server 6.1 .7 IBM Websphere Application Server 6.1 .6 IBM Websphere Application Server 6.1 .5 IBM Websphere Application Server 6.1 .4 IBM Websphere Application Server 6.1 .33 IBM Websphere Application Server 6.1 .32 IBM Websphere Application Server 6.1 .3 IBM Websphere Application Server 6.1 .25 IBM Websphere Application Server 6.1 .23 IBM Websphere Application Server 6.1 .22 IBM Websphere Application Server 6.1 .21 IBM Websphere Application Server 6.1 .20 IBM Websphere Application Server 6.1 .2 IBM Websphere Application Server 6.1 .19 IBM Websphere Application Server 6.1 .18 IBM Websphere Application Server 6.1 .17 IBM Websphere Application Server 6.1 .15 IBM Websphere Application Server 6.1 .14 IBM Websphere Application Server 6.1 .13 IBM Websphere Application Server 6.1 .12 IBM Websphere Application Server 6.1 .11 IBM Websphere Application Server 6.1 .10 IBM Websphere Application Server 6.1 .1 IBM Websphere Application Server 6.1 IBM Websphere Application Server 6.0.2 .9 IBM Websphere Application Server 6.0.2 .7 IBM Websphere Application Server 6.0.2 .5 IBM Websphere Application Server 6.0.2 .39 IBM Websphere Application Server 6.0.2 .35 IBM Websphere Application Server 6.0.2 .33 IBM Websphere Application Server 6.0.2 .31 IBM Websphere Application Server 6.0.2 .3 IBM Websphere Application Server 6.0.2 .29 IBM Websphere Application Server 6.0.2 .27 IBM Websphere Application Server 6.0.2 .25 IBM Websphere Application Server 6.0.2 .24 IBM Websphere Application Server 6.0.2 .23 IBM Websphere Application Server 6.0.2 .22 IBM Websphere Application Server 6.0.2 .21 IBM Websphere Application Server 6.0.2 .17 IBM Websphere Application Server 6.0.2 .15 IBM Websphere Application Server 6.0.2 .13 IBM Websphere Application Server 6.0.2 .11 IBM Websphere Application Server 6.0.2 .1 IBM Websphere Application Server 6.0.2 IBM Websphere Application Server 6.0.1 IBM Websphere Application Server 6.0 .7 IBM Websphere Application Server 6.0 IBM Websphere Application Server 8.0.0.1 IBM Websphere Application Server 8.0.0.0 IBM Websphere Application Server 8.0 IBM Websphere Application Server 7.0.0.7 IBM Websphere Application Server 7.0.0.6 IBM Websphere Application Server 7.0.0.5 IBM Websphere Application Server 7.0.0.4 IBM Websphere Application Server 7.0.0.19 IBM Websphere Application Server 7.0.0.17 IBM Websphere Application Server 7.0.0.15 IBM Websphere Application Server 7.0.0.15 IBM Websphere Application Server 7.0.0.14 IBM Websphere Application Server 7.0.0.13 IBM Websphere Application Server 7.0.0.1 IBM Websphere Application Server 7.0.0.0 IBM Websphere Application Server 6.1.0.39 IBM Websphere Application Server 6.1.0.35 IBM Websphere Application Server 6.1.0.34 IBM Websphere Application Server 6.1.0.33 IBM Websphere Application Server 6.1.0.33 IBM Websphere Application Server 6.1.0.31 IBM Websphere Application Server 6.1.0.29 IBM Websphere Application Server 6.1.0.27 IBM Websphere Application Server 6.1 IBM Websphere Application Server 6.0.2.43 IBM Websphere Application Server 6.0.2.41 IBM Websphere Application Server 6.0.2.19
Not Vulnerable:

IBM WebSphere Application Server Hash Collision Denial Of Service Vulnerability

IBM WebSphere Application Server is prone to a denial-of-service vulnerability.

An attacker can exploit this issue by sending specially crafted forms in HTTP POST requests.

IBM WebSphere Application Server versions 6.1.0.41 and prior, 7.0.0.21 and prior, and 8.0.0.2 and prior are affected.

IBM WebSphere Application Server Hash Collision Denial Of Service Vulnerability

An attacker can use readily available tools to exploit this issue.

IBM WebSphere Application Server Hash Collision Denial Of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.

IBM WebSphere Application Server Hash Collision Denial Of Service Vulnerability

References:

• IBM WebSphere Application Server Java hash data structure denial of service (IBM)
  
• IBM Websphere Homepage (IBM)
  
• Security Bulletin: Potential Security Vulnerabilities in IBM WebSphere Applicati (IBM)
  
• PM53930; 8.0.0.2: Collisions in HashTable May Cause DoS Vulnerability (IBM)