Bug 237079 (CVE-2005-2090)

Summary: CVE-2005-2090 tomcat multiple content-length header poisioning
Product: [Other] Security Response Reporter: Mark J. Cox <mjc>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
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Priority: medium    
Version: unspecifiedKeywords: Security
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Last Closed: 2013-05-08 18:26:06 UTC Type: ---
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Bug Depends On: 237086, 237088, 237089, 237090, 237109, 238402, 238574, 240208, 390331, 390341, 390351, 390361, 414311, 430730, 430731, 449337, 470236, 470237    
Bug Blocks: 444136    
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Description Flags
the proposed patch none

Description Mark J. Cox 2007-04-19 11:50:17 UTC 
From http://tomcat.apache.org/security-5.html

Fixed in Apache Tomcat 5.5.23

Information disclosure CVE-2005-2090

Requests with multiple content-length headers should be rejected as invalid.
When multiple components (firewalls, caches, proxies and Tomcat) process a
sequence of requests where one or more requests contain multiple content-length
headers and several components do not reject the request and make different
decisions as to which content-length leader to use an attacker can poision a
web-cache, perform an XSS attack and obtain senstive information from requests
other then their own. Tomcat now returns 400 for requests with multiple
content-length headers.

Affects: 5.0.0-5.0.HEAD, 5.5.0-5.5.22
Comment 2 Mark J. Cox 2007-04-19 11:53:21 UTC 
Created attachment 152992 [details]
the proposed patch
Comment 3 Mark J. Cox 2007-04-23 10:35:30 UTC 
advisory text: "Tomcat was found to accept multiple content-length headers in a
request.  This could allow attackers to poison a web-cache, bypass web
application firewall protection, or conduct cross-site scripting attacks. 
(CVE-2005-2090)"
Comment 4 Jean-frederic Clere 2007-05-02 06:27:09 UTC 
important: Directory traversal   CVE-2007-0450
Comment 5 Jean-frederic Clere 2007-05-02 06:33:01 UTC 
That is a complex attack.
Comment 11 errata-xmlrpc 2010-08-04 21:32:26 UTC 
This issue has been addressed in following products:

  Red Hat Certificate System 7.3

Via RHSA-2010:0602 https://rhn.redhat.com/errata/RHSA-2010-0602.html
Comment 12 Vincent Danen 2013-05-08 18:26:06 UTC 
Please see https://access.redhat.com/security/cve/CVE-2005-2090 for a list of other products that contain this fix.