IBM Cognos Business Intelligence Developer 10.2.1 (backURL) Open Redirect


Vendor: IBM Corporation
Product web page: http://www.ibm.com
Affected version: 10.2.1 (Build 10.2.5000.267) Trial

Summary: IBM Cognos Business Intelligence is a web-based, integrated
business intelligence suite by IBM. It provides a toolset for reporting,
analysis, scorecarding, and monitoring of events and metrics. The software
consists of several components to meet the different information requirements
in a company.

Desc: Input passed via the 'backURL' GET parameter in '/p2pd/servlet/dispatch'
is not properly verified before being used to redirect users. This can be
exploited to redirect a user to an arbitrary website e.g. when a user clicks
a specially crafted link to the affected script hosted on a trusted domain.

Tested on: Microsoft Windows 7 Ultimate SP1 (EN)
           Apache-Coyote/1.1
           Apache Tomcat/6.0.35


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2015-5244
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5244.php


22.04.2015

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http://169.254.17.10:19300/p2pd/servlet/dispatch?b_action=xts.run&backURL=http://zeroscience.mk&m_path=CAMID("CognosExpress:administrator")/folder[@name='My Folders']&m=portal/submit.xts&ifrmcmd=delete