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Vulnerability Note VU#472148

Oracle Reports arbitrary file writing vulnerability

Overview

Oracle Reports fails to validate URI parameters, possibly allowing a remote attacker to overwrite arbitrary files on the Reports Server.

I. Description

Oracle Reports is an enterprise reporting tool that extracts data from multiple sources and inserts it into a formatted report. It is a component of Oracle Application Server and the Oracle Developer Suite. Oracle Reports are accessible over a network via a URI. Improper validation on the desname URI parameter may allow a remote attacker to overwrite or create arbitrary files on the server where the Oracle Reports service is installed.

Based on research into public information, we believe that this issue is Oracle vuln# REP06 in the Oracle CPU for January 2006. However, there is not sufficient information to authoritatively relate Oracle vulnerability information to information provided by other parties.

II. Impact

By sending a specially crafted URI to Oracle Reports, a remote attacker may be able to overwrite files on the server with the privileges of the Oracle Reports process. Depending on which file was created or overwritten, this could allow the attacker to gain elevated privileges or a cause a denial-of-service condition on the system.

III. Solution

Apply patches

This issue is corrected in the Oracle Critical Patch Update for January 2006.

Restrict Access to Reports Server

Allowing only trusted users access to Oracle Reports may reduce the chances of exploitation.

Systems Affected

VendorStatusDate NotifiedDate Updated
Oracle CorporationVulnerable19-Jan-2006

References

http://www.us-cert.gov/cas/techalerts/TA06-018A.html
http://www.red-database-security.com/advisory/oracle_reports_overwrite_any_file.html
http://www.red-database-security.com/advisory/oracle_cpu_jan_2006.html
http://secunia.com/advisories/16092/
http://www.securityfocus.com/bid/14309
http://securitytracker.com/id?1014524
http://www.oracle.com/technology/deploy/security/pdf/cpujan2006.html

Credit

This document is based on information provided by Alexander Kornbrust.

This document was written by Jeff Gennari.

Other Information

Date Public:2005-07-21
Date First Published:2006-01-19
Date Last Updated:2006-01-20
CERT Advisory: 
CVE-ID(s):CVE-2005-2371
NVD-ID(s):CVE-2005-2371
US-CERT Technical Alerts: 
Metric:12.78
Document Revision:84

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