[NEWS] Oracle Reports Server Buffer Overflow

From: support@securiteam.com
Date: 06/13/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Thu, 13 Jun 2002 07:38:17 +0200 (CEST)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  Oracle Reports Server Buffer Overflow
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SUMMARY

Oracle's Report Server contains a remotely exploitable buffer overrun
vulnerability in one of its CGI based programs.

DETAILS

Vulnerable systems:
 * Oracle 9iAS

By supplying an overly long database name parameter to the rwcgi60 with
the setauth method, a remote attacker can overwrite a saved return address
on the stack, gaining control over the processes execution.

Any exploit code supplied by the attacker will run in the security context
of account the web server is running as. Normally on platforms running a
UNIX variant the account has limited privileges; However, on Windows based
system the web server, by default, runs in the context of the local SYSTEM
account.

Fix Information:
NGSSoftware alerted Oracle to this problem on December the 17th 2001 and
Oracle have now released patches which are available from the Metalink
site. The patch number is 2356680.

ADDITIONAL INFORMATION

The information has been provided by <mailto:nisr@ngssoftware.com>
NGSSoftware Insight Security Research.

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