Alert available at:
http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=216775.1
----- Forwarded by Jared Still/Radisys_Corporation/US on 11/05/2002 03:11
PM -----
"NGSSoftware Insight Security Research" <[EMAIL PROTECTED]>
11/04/2002 09:48 AM
To: <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]>,
<[EMAIL PROTECTED]>
cc:
Subject: Oracle iSQL*Plus buffer overflow vulnerability (#NISR04112002)
NGSSoftware Insight Security Research Advisory
Name: Oracle iSQL*Plus buffer overflow
Systems: Oracle Database 9i R1,2 on all operating systems
Severity: High Risk
Vendor URL: http://www.oracle.com/
Author: David Litchfield ([EMAIL PROTECTED])
Advisory URL: http://www.ngssoftware.com/advisories/ora-isqlplus.txt
Date: 4th November 2002
Advisory number: #NISR04112002
Description
***********
Oracle iSQL*Plus is a web based application that allows users to query the
database. It is installed with Oracle 9 database server and runs on top of
apache. The iSQL*Plus module is vulnerable to a classic buffer overflow
vulnerability.
Details
*******
The iSQL*Plus web application requires users to log in. After accessing
the
default url, "/isqlplus" a user is presented with a log in screen. By
sending the web server an overly long user ID parameter, an internal
buffer
is overflow on the stack and the saved return address is overwritten. This
can allow an attacker to run arbitrary code in the security context of the
web server. On most systems this will be the "oracle" user and on Windows
the "SYSTEM" user. Once the web server has been compromised attackers may
then use it as a staging platform to launch attacks against the database
server itself.
Fix Information
***************
NGSSoftware alerted Oracle to this problem on the 18th of October and
Oracle, last week, issued an alert. The Oracle bug number assigned to this
issue is 2581911. Patches can be downloaded from the Oracle Metalink site
http://metalink.oracle.com/.
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