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Webcache Client Requests Bypass OHS mod_access Restrictions
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SUMMARY
A vulnerability in Oracle's Webcache allows attackers to access protected
URLs by using webcache.
DETAILS
Vulnerable Systems:
* Oracle Application Server version 10.x - OHS version 1.0.2
Example:
(Port 7778 = Webcache, Port 7779 = OHS)
The following URLs are NOT protected if you access them via the Webcache
server:
http://server01:7778/dmsoc4j/AggreSpy?format=metrictable&nountype=ohs_child&orderby=Name
http:// server01:7778/server-status
http:// server01:7778/dms0
The following URLs are protected if you access them via the OHS server:
http://server01:7779/dmsoc4j/AggreSpy?format=metrictable&nountype=ohs_child&orderby=Name
http:// server01:7779/server-status
http:// server01:7779/dms0
Workaround:
Add "UseWebCacheIP ON" to Oracle's httpd.conf configuration file.
Patch:
Oracle addressed this issue by introducing the parameter "UseWebcacheIP"
to the Oracle HTTP Server(OHS).
References:
<http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=263943.1>
http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=263943.1
Disclosure Timeline:
01-oct-2003 Oracle secalert was informed
01-oct-2003 Bug confirmed
26-apr-2005 Red-Database-Security published this advisory
ADDITIONAL INFORMATION
The information has been provided by
<mailto:ak@red-database-security.com> Kornbrust, Alexander.
The original article can be found at:
<http://www.red-database-security.com/advisory/oracle_webcache_bypass.html>
http://www.red-database-security.com/advisory/oracle_webcache_bypass.html
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