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Oracle Application Express Cross Site Scripting

Oracle Application Express Cross Site Scripting
Posted Jul 17, 2015
Authored by F. Lukavsky | Site sec-consult.com

The gReport Controls Sort Widget in Oracle Application Express is prone to permanent cross site scripting. The setting "display as" of the column attributes is ignored for the filter list. Versions prior to 4.2.3.00.08 are affected.

tags | exploit, xss
advisories | CVE-2015-2655
SHA-256 | c9ce7cae929b2bfcfbbd561c21486f566a196d3064d30611bb77669161526837

Oracle Application Express Cross Site Scripting

Change Mirror Download
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SEC Consult Vulnerability Lab Security Advisory < 20150716-0 >
=======================================================================
title: Permanent Cross-Site Scripting
product: Oracle Application Express
vulnerable version: All versions prior to 4.2.3.00.08
fixed version: 4.2.3.00.08
CVE number: CVE-2015-2655
impact: high
homepage: https://apex.oracle.com/i/index.html
found: 2014-05-28
by: F. Lukavsky
SEC Consult Vulnerability Lab

An integrated part of SEC Consult
Berlin - Frankfurt/Main - Montreal - Singapore
Vienna (HQ) - Vilnius - Zurich

https://www.sec-consult.com
=======================================================================

Vendor description:
- -------------------
"Oracle Application Express (Oracle APEX) is Oracle's primary tool for
developing Web applications with SQL and PL/SQL. Using only a web browser, you
can develop and deploy professional Web-based applications for desktops and
mobile devices. It is a fully supported, no cost option of the Oracle
Database, and is installed by default in all editions of the Oracle Database.
Even those without SQL and PL/SQL knowledge, can still easily install the many
built-in packaged applications, such as Survey Builder, Customer Tracker, and
P-Track (for tracking projects)."

http://www.oracle.com/technetwork/developer-tools/apex/overview/index.html


Vulnerability overview/description:
- -----------------------------------
The gReport Controls Sort Widget is prone to permanent Cross-Site Scripting.
The setting "display as" of the column attributes is ignored for the filter
list.


Proof of concept:
- -----------------
Adding the following field to a table will cause an alertbox to display the
currently set cookies as soon as the sort options are selected for the column:

xss-entry<img src=x onerror=alert(document.cookie)>


Vulnerable / tested versions:
- -----------------------------
All versions prior to 4.2.3.00.08


Vendor contact timeline:
- ------------------------
2014-08-13: Contacting vendor through secalert_us@oracle.com
2014-08-14: Vendor response - vulnerbility will be investigated
2014-08-15: Vendor response - issue will be tracked as S0484336
2014-08-22: Status update: Under investigation / Being fixed in main codeline
2014-09-24: Status update: Issue fixed in main codeline, scheduled for a future CPU
2014-10-24: Status update: Issue fixed in main codeline, scheduled for a future CPU
2014-11-24: Status update: Issue fixed in main codeline, scheduled for a future CPU
2014-12-24: Status update: Issue fixed in main codeline, scheduled for a future CPU
2015-01-24: Status update: Issue fixed in main codeline, scheduled for a future CPU
2015-02-25: Status update: Issue fixed in main codeline, scheduled for a future CPU
2015-03-25: Status update: Issue fixed in main codeline, scheduled for a future CPU
2015-04-25: Status update: Issue fixed in main codeline, scheduled for a future CPU
2015-05-23: Status update: Issue fixed in main codeline, scheduled for a future CPU
2015-06-25: Status update: Issue fixed in main codeline, scheduled for a future CPU
2015-07-11: Issue is fixed in upcoming CPU, patches will be released on 2015-07-14
2015-07-16: Coordinated release of the security advisory


Solution:
- ---------
Upgrade to Oracle Application Express 4.2.3.00.08.


Workaround:
- -----------
Refrain from using the gReport Controls Sort Widget.


Advisory URL:
- -------------
https://www.sec-consult.com/en/Vulnerability-Lab/Advisories.htm


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
SEC Consult Vulnerability Lab

SEC Consult
Berlin - Frankfurt/Main - Montreal - Singapore - Vienna (HQ) - Vilnius - Zurich

About SEC Consult Vulnerability Lab
The SEC Consult Vulnerability Lab is an integrated part of SEC Consult. It
ensures the continued knowledge gain of SEC Consult in the field of network
and application security to stay ahead of the attacker. The SEC Consult
Vulnerability Lab supports high-quality penetration testing and the evaluation
of new offensive and defensive technologies for our customers. Hence our
customers obtain the most current information about vulnerabilities and valid
recommendation about the risk profile of new technologies.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Interested to work with the experts of SEC Consult?
Send us your application https://www.sec-consult.com/en/Career.htm

Interested in improving your cyber security with the experts of SEC Consult?
Contact our local offices https://www.sec-consult.com/en/About/Contact.htm
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Mail: research at sec-consult dot com
Web: https://www.sec-consult.com
Blog: http://blog.sec-consult.com
Twitter: https://twitter.com/sec_consult

EOF F. Lukavsky / @2015
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